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 A265029 #5 Nov 30 2015 22:29:42 %S A265029 6,14,10,42,20,14,20,146,40,28,40,22,40,28,40,546,80,56,80,44,80,56, %T A265029 80,38,80,56,80,44,80,56,80,2114,160,112,160,88,160,112,160,76,160, %U A265029 112,160,88,160,112,160,70,160,112,160,88,160,112,160,76,160,112,160 %N A265029 First differences of A264619. %H A265029 N. J. A. Sloane, <a href="/A265029/b265029.txt">Table of n, a(n) for n = 1..32767</a> %Y A265029 Cf. A264619. %K A265029 nonn %O A265029 1,1 %A A265029 _N. J. A. Sloane_, Nov 30 2015