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 A362990 #3 May 22 2023 06:22:30 %S A362990 1,1,3,8,70,156,2982,19296,216396,917480,47847580,250815120, %T A362990 18724750980,116905717320,788402337660,11422960203648, %U A362990 1503958432951464,12400297557081840,2060467159019459400,19050402239258292000,185663459342909159640,1902329957427442126320 %N A362990 Row sums of A363154. %p A362990 A362990 := n -> add(ilcm(seq(binomial(n, j), j = 0..n)) * combinat[eulerian1](n, k) / binomial(n, k), k = 0.. n): seq(A362990(n), n = 0..21); %Y A362990 Cf. A363154, A173018, A349203. %K A362990 nonn %O A362990 0,3 %A A362990 _Peter Luschny_, May 22 2023