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 A151616 #4 May 02 2021 18:52:27 %S A151616 1,1,2,9,59,447,3647,31460,280523 %N A151616 Row sums of A118354. %Y A151616 Cf. A118354. %K A151616 nonn %O A151616 0,3 %A A151616 _N. J. A. Sloane_, May 29 2009