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 A362307 #6 Apr 18 2023 08:29:19
%S A362307 1,1,1,2,2,4,4,6,8,11,15,19,23,32,37,48,58,74,88,108,132,158,190,228,
%T A362307 273,326,384,456,538,632,740,868,1015,1181,1376,1598,1850,2142,2473,
%U A362307 2851,3280,3770,4327,4957,5674,6484,7399,8433,9599,10916,12395
%N A362307 Row sums of A362370.
%F A362307 a(n) = Sum_{k=0..n} floor(binomial(n - 1, k - 1) / k!).
%p A362307 T := (n, k) -> iquo(binomial(n - 1, k - 1), k!):
%p A362307 seq(add(T(n, k), k = 0..n), n = 0..50);
%Y A362307 Cf. A362370.
%K A362307 nonn
%O A362307 0,4
%A A362307 _Peter Luschny_, Apr 17 2023