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A009326

Expansion of e.g.f.: log(1+sin(log(1+x))).

0, 1, -2, 6, -25, 134, -880, 6850, -61710, 631900, -7251860, 92223700, -1287629000, 19584800000, -322377088800, 5710388153600, -108314656606000, 2190568370666000, -47056598218474000, 1070057252339998000

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OFFSET

0,3

LINKS

Table of n, a(n) for n=0..19.

MATHEMATICA

With[{nn=20}, CoefficientList[Series[Log[1+Sin[Log[1+x]]], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, Mar 21 2025 *)

CROSSREFS

Sequence in context: A020112 A317022 A143917 * A001258 A247499 A124373

Adjacent sequences: A009323 A009324 A009325 * A009327 A009328 A009329

KEYWORD

sign,easy

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

Previous Mathematica program replaced and definition clarified by Harvey P. Dale, Mar 21 2025

STATUS

approved

URL: https://oeis.org/A009326

⇱ A009326 - OEIS