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 A360442 #25 Feb 11 2023 01:50:52
%S A360442 0,1,0,-6,36,-20,-2730,38178,-93688,-7711272,184968810,-1036880570,
%T A360442 -66424040628,2427958996164,-24081426198466,-1271591203182510,
%U A360442 66942964987695120,-1027559316530335952,-45046737788036457006,3332345692967904801438
%N A360442 E.g.f. satisfies A(x) = x * exp( -A(x) + x * exp(-A(x)) ).
%H A360442 Seiichi Manyama, <a href="/A360442/b360442.txt">Table of n, a(n) for n = 0..399</a>
%F A360442 a(n) = Sum_{k=1..n} k^(n-k) * (-n)^(k-1) * binomial(n,k).
%o A360442 (PARI) a(n) = sum(k=1, n, k^(n-k)*(-n)^(k-1)*binomial(n, k));
%Y A360442 Cf. A055779, A360471.
%K A360442 sign
%O A360442 0,4
%A A360442 _Seiichi Manyama_, Feb 09 2023