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 A086524 #4 Dec 05 2013 19:56:19 %S A086524 11,23,41,47,71,107,131,173,227,263,281,347,431,491,557,617,647,677, %T A086524 761,839,953,1163,1283,1361,1493,1583,1667,1811,1907,1931,1973,2039, %U A086524 2111,2207,2333,2417,2459,2543,2621,2663,2711,2741,2777,2819,2897,2963,3089 %N A086524 Primes arising as the arithmetic mean of a pair of successive terms of A086523. %C A086524 Every term == -1 (mod 6). Conjecture: every prime of the form 6k-1 is a member. %Y A086524 Cf. A086519, A086522, A086523. %K A086524 nonn %O A086524 1,1 %A A086524 _Amarnath Murthy_, Jul 30 2003 %E A086524 More terms from _Ray G. Opao_, Jan 24 2005