This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A136634 #6 Sep 03 2013 11:22:51 %S A136634 93836531,1819395637,1919723027,1963209431,3277373311,3540866053, %T A136634 15969326033,16075946743,16735166477,17145519379,71606465171, %U A136634 71624919101,72338598089,73544885809,73939267019,74592559721 %N A136634 Primes whose reversals in bases 10, 9, 8, 7, 6, 5, 4, 3 and 2 are all prime. %H A136634 Harry J. Smith, <a href="/A136634/b136634.txt">Table of n, a(n) for n = 1..45</a> %e A136634 Prime 93836531 reversed base 10 = 13563839, a prime. %e A136634 93836531 = 215511462 base 9, reversed = 264115512 base 9 = 116986691, a prime. %e A136634 93836531 = 545752363 base 8, reversed = 363257545 base 8 = 63790949, a prime. %e A136634 93836531 = 2216411615 base 7, reversed = 5161146122 base 7 = 212620277, a prime. %e A136634 93836531 = 13151124215 base 6, reversed = 51242115131 base 6 = 316991071, a prime. %e A136634 93836531 = 143010232111 base 5, reversed = 111232010341 base 5 = 61594471, a prime. %e A136634 93836531 = 11211331103303 base 4, reversed = 30330113311211 base 4 = 217152869, a prime. %e A136634 93836531 = 20112120101112002 base 3, reversed = 20021110102121102 base 3 = 90058187, a prime. %e A136634 93836531 = 101100101111101010011110011 base 2, reversed = 110011110010101111101001101 base 2 = 108617549, a prime. %o A136634 (PARI) emirp(p,b)=my(q,t=p);while(t,q=b*q+t%b;t\=b);isprime(q) && p!=q %o A136634 is(n)=for(b=2,10,if(!emirp(n,b),return(0))); isprime(n) \\ _Charles R Greathouse IV_, Sep 03 2013 %Y A136634 Cf. A007500, A074832, A136186, A136187. %K A136634 base,nonn %O A136634 1,1 %A A136634 _Harry J. Smith_, Jan 15 2008