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A009576 Expansion of sinh(ln(1+x))/cos(x). 0
0, 1, -1, 6, -18, 115, -615, 4732, -36148, 337797, -3315645, 37027826, -440999526, 5768129783, -80507865347, 1210608394920, -19345811001000, 329208442723465, -5922785067664185, 112578608999452894, -2251115252850724090 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

MATHEMATICA

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

CROSSREFS

Sequence in context: A108735 A143556 A007126 * A009580 A125839 A117813

Adjacent sequences:  A009573 A009574 A009575 * A009577 A009578 A009579

KEYWORD

sign,easy

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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Last modified February 14 09:18 EST 2012. Contains 205614 sequences.