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 A352761 #11 Jul 05 2022 23:15:27
%S A352761 2,14,176,3644,117860,5755964,414823916,43390462724,6502296995300,
%T A352761 1380924739533644,411744185101611356,170949139294419110804,
%U A352761 98118349844314838731220,77360523694460582654188124,83319557470828626639253920716,121980734453060653381753104078884,241689591664023311258411470178766020
%N A352761 Number of partial order relations on [n] such that 1 and 2 are in the same connected component.
%t A352761 nn = 16; A[x_] := Total[Cases[Import["https://oeis.org/A001035/b001035.txt",
%t A352761 "Table"], {_, _}][[All, 2]]*Table[x^(i - 1)/(i - 1)!, {i, 1, 19}]];
%t A352761 Range[0, nn]! CoefficientList[ Series[D[D[Log[A[x]], x], x] A[x], {x, 0, nn}], x]
%Y A352761 Cf. A001035, A352399.
%K A352761 nonn
%O A352761 2,1
%A A352761 _Geoffrey Critzer_, Jul 05 2022