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A009499 Expansion of sin(tan(ln(1+x))). 0
0, 1, -1, 3, -12, 56, -300, 1544, -4592, -74068, 2546820, -58043956, 1226919936, -25894069928, 560051913512, -12549128097416, 292671937925760, -7117106442114544, 180518194901004912, -4773533330473419152 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

MATHEMATICA

Sin[ Tan[ Log[ 1+x ] ] ]

CROSSREFS

Sequence in context: A000257 A180256 A027390 * A009656 A020016 A001277

Adjacent sequences:  A009496 A009497 A009498 * A009500 A009501 A009502

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 02:48 EST 2012. Contains 205978 sequences.