A372698 E.g.f. A(x) satisfies A(A(A(x))) = (-1/3) * log(1 - 3*x).

0, 1, 1, 3, 15, 103, 882, 8913, 103227, 1359162, 20445228, 349712568, 6547495464, 126821768922, 2557843463769, 63897480940509, 2095074190660212, 53541090460596240, -326496349115947710, -34640510429479259916, 9272999532484623258036

Offset: 0

Author

Seiichi Manyama, May 11 2024

Keywords

• sign

Crossrefs

Cf. A209519, A220112, A372747.

Formula

Define the sequence b(n,m) as follows. If n

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