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A291533 Expansion of the series reversion of g.f. for the nonprime numbers (A018252). 0
1, -4, 26, -208, 1859, -17790, 178308, -1847882, 19640154, -212911066, 2345049018, -26168243862, 295214515662, -3361428239216, 38580429168968, -445874925644701, 5184317812361117, -60603410700370525, 711826341810784570, -8396670336877539127, 99428914632341468974 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..21.

N. J. A. Sloane, Transforms

Eric Weisstein's World of Mathematics, Series Reversion

Index entries for reversions of series

FORMULA

G.f. A(x) satisfies: A(x) + 4*A(x)^2 + 6*A(x)^3 + 8*A(x)^4 + 9*A(x)^5 + 10*A(x)^6 + 12*A(x)^7 + ... = x.

CROSSREFS

Cf. A007296, A018252.

Sequence in context: A321586 A206391 A228966 * A239295 A274735 A283828

Adjacent sequences:  A291530 A291531 A291532 * A291534 A291535 A291536

KEYWORD

sign

AUTHOR

Ilya Gutkovskiy, Aug 25 2017

STATUS

approved

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Last modified August 12 23:19 EDT 2020. Contains 336440 sequences. (Running on oeis4.)