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 A099677 #3 Mar 30 2012 16:50:04 %S A099677 11,131,151,181,191,1151,1171,1181,1201,1231,1291,1301,1321,1361,1381, %T A099677 1451,1471,1481,1511,1531,1571,1601,1621,1721,1741,1801,1811,1831, %U A099677 1861,1871,1901,1931,1951,11071,11131,11161,11171,11251,11261,11311,11321,11351,11411 %N A099677 Primes arising in A032682. %p A099677 t0:=[]; u0:=[]; for n from 1 to 100 do t1:=cat(1,n,1); t1:=convert(t1,decimal,10); if isprime(t1) then t0:=[op(t0),n]; u0:=[op(u0),t1]; fi; od: u0; %Y A099677 Cf. A032682. %K A099677 nonn,base %O A099677 1,1 %A A099677 _N. J. A. Sloane_, Nov 19 2004