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 A119254 #10 May 05 2023 09:51:51 %S A119254 1,2,5,17,58,202,729,2695,10140,38719,149682,584672,2304045,9149194, %T A119254 36573273,147057039,594374148,2413480053,9840832968,40276235226, %U A119254 165403090815,681373222191,2814872996190,11659083772986,48407568680323,201431186725778,839913707978789 %N A119254 Row sums of A071946. %H A119254 Alois P. Heinz, <a href="/A119254/b119254.txt">Table of n, a(n) for n = 0..1000</a> %Y A119254 Cf. A071946 is the triangle and A071969 has the last number of each row. %K A119254 nonn %O A119254 0,2 %A A119254 _Joshua Zucker_, May 10 2006