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A009356 Expansion of ln(1+sinh(x))/exp(x). 0
0, 1, -3, 9, -32, 140, -757, 4963, -38376, 341664, -3438641, 38576747, -477118600, 6447914668, -94515392805, 1493405394411, -25300960235504, 457490990665952, -8793604786338049, 179039287811168755, -3849069823206873888 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

MATHEMATICA

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

CROSSREFS

Sequence in context: A194530 A005964 A129416 * A058138 A180632 A094538

Adjacent sequences:  A009353 A009354 A009355 * A009357 A009358 A009359

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 17 11:46 EST 2012. Contains 206011 sequences.