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 A264598 #8 Nov 19 2015 16:08:07 %S A264598 2,6,8,14,14,24,16,40,26,36,36,62,40,62,48,78,52,106 %N A264598 Row sums of triangle in A264597. %Y A264598 Cf. A264597. %Y A264598 This also appears to be the same as A257007 multiplied by 2. It would be nice to have a proof. %K A264598 nonn,more %O A264598 3,1 %A A264598 _N. J. A. Sloane_, Nov 19 2015