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A009425 Expansion of log(1+x)/cos(sin(x)). 0
0, 1, -1, 5, -12, 49, -225, 1133, -8176, 61665, -567225, 5701365, -62634924, 755601105, -9768453513, 136547354973, -2041147352640, 32565339301569, -552510593169489, 9924462641102181, -188278493388946860, 3759992000006225265 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..21.

MATHEMATICA

Log[ 1+x ]/Cos[ Sin[ x ] ]

CROSSREFS

Sequence in context: A046612 A254217 A211951 * A009416 A332477 A240389

Adjacent sequences:  A009422 A009423 A009424 * A009426 A009427 A009428

KEYWORD

sign,easy

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs by Olivier Gérard, Mar 15 1997

STATUS

approved

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Last modified June 19 12:21 EDT 2021. Contains 345128 sequences. (Running on oeis4.)