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%I #19 Nov 27 2023 07:57:05
%S 1,1,1,3,14,157,15942,489980450,1392195547909966848,
%T 789204635842035012967539870068113408
%N Number of unlabeled connected simplicial complexes with n nodes.
%C Inverse Euler transform of A261005 (omitting the a(0) term from A261005).
%C a(0) could equally well be taken to be 0.
%D Benoît Jubin, Posting to Sequence Fans Mailing List, Aug 12 2015
%H Greg Huber, <a href="/A048143/a048143.pdf">Letters to N. J. A. Sloane, May 1983</a> [Annotated, corrected, scanned copy]
%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>
%Y Cf. A261005, A006602.
%K nonn,more,hard
%O 0,4
%A _N. J. A. Sloane_, Aug 13 2015
%E a(8)-a(9) from _Dmitry I. Ignatov_, Nov 26 2023
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