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Search: id:A009306
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A009306 Expansion of ln(1+exp(x).x). +0
1
0, 1, 1, -1, -2, 9, 6, -155, 232, 3969, -20870, -118779, 1655028, 1610257, -143697722, 522358005, 13332842416, -138189937791, -1128293525646, 29219838555781, 17274118159180, -5993074252801839, 38541972209299966 (list; graph; listen)
OFFSET

0,5

MATHEMATICA

Log[ 1+Exp[ x ]*x ]

CROSSREFS

Sequence in context: A011247 A068632 A122664 this_sequence A021775 A016596 A094044

Adjacent sequences: A009303 A009304 A009305 this_sequence A009307 A009308 A009309

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 December 17 23:40 EST 2009. Contains 171025 sequences.


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