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A372493
G.f. A(x) satisfies A(A(x)) = Sum_{k>=1} k^2 * 2^(k-1) * x^k.
1
0, 1, 4, 2, 12, -30, 24, 1412, -18716, 127750, -19448, -10721556, 98983992, 546122580, -19718580272, 30721006440, 4638904011364, -44204880124922, -1218793973236472, 26364933421291468, 327900715232299304, -15425392878552410820, -62258050574118828336
OFFSET
0,3
LINKS
Dmitry Kruchinin, Vladimir Kruchinin, Method for solving an iterative functional equation $A^{2^n}(x)=F(x)$, arXiv:1302.1986 [math.CO], 2013.
CROSSREFS
Sequence in context: A154345 A058095 A105196 * A167557 A069836 A224820
KEYWORD
sign
AUTHOR
Seiichi Manyama, May 03 2024
STATUS
approved