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A009071 Expansion of cos(tan(x)).x. 0
1, -3, -35, -679, -18567, -587499, -9780459, 2502478065, 742659420913, 178572619407021, 44455465546363725, 12065488445289701385, 3615507259471920747625, 1195750896202918862106309 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MATHEMATICA

Cos[ Tan[ x ] ]*x (* Odd Part *)

CROSSREFS

Sequence in context: A100033 A184554 A046032 * A093531 A129505 A185752

Adjacent sequences:  A009068 A009069 A009070 * A009072 A009073 A009074

KEYWORD

sign

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 15 07:06 EST 2012. Contains 205694 sequences.