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 A233535 #7 Mar 25 2025 15:02:16 %S A233535 1,2,3,7,22,102,681,6203,72757,1050276,18042102,359677460,8162936051, %T A233535 207764278875,5859801873585,181362065062507,6110186925475928, %U A233535 222566852684792616,8714776224549448369,364990993734909935670,16280201717192275756034,770443051001734848973196,38553687900969746513992234 %N A233535 Row sums of triangle A233530. %Y A233535 Cf. A233530, A233531, A233532, A233533, A233534. %K A233535 nonn %O A233535 1,2 %A A233535 _Paul D. Hanna_, Dec 14 2013