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 A325138 #8 Apr 13 2019 08:08:26
%S A325138 1,2,8,45,320,2730,27054,304584,3832688,53233272,808045560,
%T A325138 13297113720,235635543912,4471304008704,90415029604704,
%U A325138 1940195561267880,44021278940004480,1052672670160355520,26454200168941936704,696874344218429604480,19198703924579071278720
%N A325138 a(n) = Sum_{k=0..n} Sum_{j=0..n-k} binomial(j+k, k)*|Stirling1(n, j+k)|*(k+1)^j.
%o A325138 (PARI) a(n) = sum(k=0, n, sum(j=0, n-k, binomial(j+k, k)*abs(stirling(n, j+k, 1))*(k+1)^j)); \\ _Michel Marcus_, Apr 13 2019
%Y A325138 Row sums of A325137.
%K A325138 nonn
%O A325138 0,2
%A A325138 _Peter Luschny_, Apr 13 2019