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 A174235 #4 Jul 12 2012 00:39:51 %S A174235 0,1,8,8,2,11,11,8,7,8,28,25,34,4,5,5,50,44,53,26,65,50,44,50,77,35,7, %T A174235 17,1,4,8,2,4,32,26,71,77,41,86,98,95,113,83,26,11,20,17,4,23,13,16, %U A174235 23,23,20,26,14,80,137,116,128,122,146,149,158,200,158,158,113,110,164,200 %N A174235 The absolute values of (n-th number k such that k*4-+1 is twin prime pair minus n-th number m such that m*4+2-+1 is twin prime pair). %F A174235 a(n)=Abs(A045753(n)-A123986(n)). %Y A174235 Cf. A045753, A123986. %K A174235 nonn %O A174235 1,3 %A A174235 _Juri-Stepan Gerasimov_, Mar 13 2010 %E A174235 Values from a(63) onwards corrected by _R. J. Mathar_, Apr 16 2010