A372747 E.g.f. A(x) satisfies A(A(A(A(A(x))))) = (-1/5) * log(1 - 5*x).

0, 1, 1, 4, 28, 270, 3185, 42830, 636250, 10765885, 227860725, 6003043950, 152451368175, 2205648850800, 1614364541325, 6690753945813375, 787760273195291625, -6787610390670062625, -7103289749314032719250, -59946385622086525694250, 117473730537013548978420000

Offset: 0

Author

Seiichi Manyama, May 12 2024

Keywords

• sign

Crossrefs

Cf. A220112, A372698.

Formula

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

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