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 A105692 #2 Mar 30 2012 17:26:14 %S A105692 1,2,6,12,8,18,14,20,10,30,4,26,24,32,40,36,38,42,44,48,16,50,46,56, %T A105692 54,60,62,68,74,72,66,34,78,96,114,82,52,108,58,84,80,102,110,92,90, %U A105692 28,70,86,98,122,76,120,116,94,88,22,138,100,132,104,128,156,126,158,146,144 %N A105692 Minimal a(n)>0, not appeared previously, such that p(n)*p(n+1)+a(n) is prime. %C A105692 1 and permutation(?) of even integers. Cf. A074928 %Y A105692 Cf. A074928. %K A105692 nonn %O A105692 1,2 %A A105692 _Zak Seidov_, Apr 17 2005