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 A178583 #3 Mar 31 2012 10:26:16 %S A178583 11311,12721,13831,14741,16061,16561,17471,18481,34543,34843,35153, %T A178583 35353,35753,36563,71317,73037,73237,73637,77377,77477,78787,94049, %U A178583 94349,94949,96269,96469,1043401,1123211,1145411,1150511,1160611 %N A178583 Palindromic primes that are the average of the members of emirp pairs. %C A178583 Subsequence of A178581, %C A178583 For the lesser member of the corresponding smallest emirp pair, see A178584. %Y A178583 Cf. A178581 %K A178583 nonn,base %O A178583 1,1 %A A178583 _Lekraj Beedassy_, May 29 2010 %E A178583 Extended by _Ray Chandler_, Jul 05 2010