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 A089356 #4 Dec 05 2013 19:56:35 %S A089356 11,2,3,41,5,61,7,83,97,13,113,211,31,419,5101,613,71,811,911,23,127, %T A089356 223,3203,421,521,6203,727,821,929,37,131,233,331,43,53,631,73,839, %U A089356 937,47,149,241,347,443,541,641,743,8419,941,59,151,251,353,457,557,653,751 %N A089356 Smallest prime beginning with digit reversal of n and not included earlier. %e A089356 a(12) = 211, a(21) = 127. %K A089356 base,easy,nonn %O A089356 1,1 %A A089356 _Amarnath Murthy_, Nov 07 2003 %E A089356 More terms from _David Wasserman_, Sep 14 2005