Numerador de Paginas para blogger

Primero que nada que hay que localizar el código que contiene este link de suscripción; entra a Plantilla | Edición de HTML y busca esto, ten en cuenta que desde desactivar el redireccionamiento https:

<b:include name='nextprev'/>

Elimínela y en su lugar pon esto:

<style type='text/css'>
.blogpager {
font-size:16px;
color: #000000;
font-weight:bold;
padding:0px 4px;
font-family:"Times New Roman", Times, serif;
}
</style>
<div align="center" style="margin:5px;"><form action="#" name="pager20"><span id="vwg-pager-first"></span> <span id="vwg-pager-prev"></span> <input name="showingpage" onfocus="this.select()" value="init..." type="text" size="4" title="Introduce el número de página a la que quieres ir" />/<input size="4" type="text" name="pagestotal" disabled="disabled" value="init..." /> <input type="button" onclick="checkpager()" value="Ir" /> <span id="vwg-pager-next"></span> <span id="vwg-pager-last"></span>
</form></div>
<script type="text/javascript">
var blogID = "XXXXXXXXXXXXXXXXXXXXXXXXXX";
var home_page = "Tu dirección con / al final";
var pager_max_main = 10;
var pager_first_text = "Primera";
var pager_last_text = "Ultima";
var pager_prev_text = "Anterior";
var pager_next_text = "Siguiente";
</script>
<script type='text/javascript'>
//<![CDATA[
var pager_max_results = 20;
if(location.href.match("max-results=")){
pager_max_results = parseInt(location.href.substring(location.href.indexOf("max-results=")+12).split("\&")[0]);
} else if(!location.href.match("/search/label/")){
pager_max_results = pager_max_main;
}
var per_page = pager_max_results ;
if(!location.href.match('/search/label/')) {
pager_feedx = "http://www.blogger.com/feeds/"+blogID+"/posts/summary";
pager_pageurl = home_page+"search";
}
else {
label = location.href.split("/")[5];
label = label.split("?")[0];
label = label.replace(/ /g,"%20");
pager_feedx = "http://www.blogger.com/feeds/"+blogID+"/posts/summary/-/"+label;
pager_pageurl = home_page+"search/label/"+label;
}
var pager_opening = 1;
if(location.href.match("popening=")){
pager_opening = parseInt(location.href.substring(location.href.indexOf("popening=")+9).split("\&")[0]);
}
var num_pages = 1;
function createBlogPager(){
var script = document.createElement('script');
script.src = pager_feedx+"?start-index=1&max-results=0&alt=json-in-script&callback=countnumpost";
script.type = "text/javascript";
document.getElementsByTagName('head')[0].appendChild(script)
}
function countnumpost(json) {
var posts = json.feed.openSearch$totalResults.$t;
num_pages = (posts%per_page == 0) ? posts/per_page : Math.floor(posts/per_page)+1;
var a1 = document.createElement("a");
a1.className = "blogpager";
a1.title = "Jump to page: (1)";
a1.href = "javascript:page(1)";
a1.innerHTML = pager_first_text;
document.getElementById("vwg-pager-first").appendChild(a1);
var a4 = document.createElement("a");
a4.className = "blogpager";
a4.title = "Jump to page: ("+num_pages+")";
a4.href = "javascript:page("+num_pages+")";
a4.innerHTML = pager_last_text;
document.getElementById("vwg-pager-last").appendChild(a4);
var prev = (pager_opening!=1) ? pager_opening-1 : 1;
var a2 = document.createElement("a");
a2.className = "blogpager";
a2.title = "Jump to page: ("+prev+")";
a2.href = "javascript:page("+prev+")";
a2.innerHTML = pager_prev_text;
document.getElementById("vwg-pager-prev").appendChild(a2);
var next = (pager_opening!=num_pages) ? pager_opening+1 : num_pages;
var a3 = document.createElement("a");
a3.className = "blogpager";
a3.title = "Jump to page: ("+next+")";
a3.href = "javascript:page("+next+")";
a3.innerHTML = pager_next_text;
document.getElementById("vwg-pager-next").appendChild(a3);
document.pager20.showingpage.value = pager_opening;
document.pager20.pagestotal.value = num_pages;
}
function checkpager(){
var uinput = parseInt(document.pager20.showingpage.value);
if((uinput <= num_pages)&&(uinput >= 1)) {
page(uinput);
}
else {
alert("Invalid page number. Please try by another!");
document.pager20.showingpage.focus() ;
document.pager20.showingpage.select();
}
}
function getDateAndGo(json){
var date2 = json.feed.entry[0].published.$t;
ss = parseFloat(date2.substring(17,19));
if(ss<59) ss++;
if(ss<10) { ss = "0"+ ss; }
date4 = encodeURIComponent(date2.substring(0,17)+ss+date2.substring(23,date2.length));
location.href = pager_pageurl+'?updated-max='+date4+'&max-results=' + per_page + '&popening=' + pager_opening;
}
function page(startindex) {
pager_opening = startindex;
var i = per_page*(startindex-1)+1;
var script2 = document.createElement("script");
script2.src = pager_feedx+"?start-index="+i+"&max-results=1&alt=json-in-script&callback=getDateAndGo";
document.getElementsByTagName('head')[0].appendChild(script2)
}
createBlogPager();
//]]>
</script>

Luego de eso tendrán que modificar algunas propiedades, para que pueda funcionar correctamente, lo primero es localizar el código de su blog de esta manera.

Después colocarlo reemplazando las XXXXXX, en la segunda la dirección de su blog terminando en /, y la ultima propiedad es el numero máximo de entradas por paginas:

var blogID = "6436392209497523731";
var home_page = "https://adblogers.blogspot.pe/";
var pager_max_main = 10;

Con respecto a el diseño, ustedes podrán modificarlo con las propiedades a su gusto, deberán tener conocimientos de CSS básicos:

<style type='text/css'>
.blogpager {
font-size:16px; /*Tamaño de letra*/
color: #000000;  /*Color*/
font-weight:bold; /*Estilo de Fuente*/
padding:0px 4px; /*Margen Interior*/
font-family:"Times New Roman", Times, serif;  /*Tipo de letra*/
}
</style>