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 A265028 #5 Nov 30 2015 22:22:29 %S A265028 5,12,10,38,20,14,20,138,40,28,40,22,40,28,40,530,80,56,80,44,80,56, %T A265028 80,38,80,56,80,44,80,56,80,2082,160,112,160,88,160,112,160,76,160, %U A265028 112,160,88,160,112,160,70,160,112,160,88,160,112,160,76,160,112,160 %N A265028 First differences of A264618. %H A265028 N. J. A. Sloane, <a href="/A265028/b265028.txt">Table of n, a(n) for n = 1..32767</a> %Y A265028 Cf. A264618. %K A265028 nonn %O A265028 1,1 %A A265028 _N. J. A. Sloane_, Nov 30 2015