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A009705 tan(tan(x)*sin(x)) = 2/2!*x^2+4/4!*x^4+302/6!*x^6+8104/8!*x^8... 2
0, 2, 4, 302, 8104, 947642, 86855404, 16203909542, 3130092938704, 896924477276402, 290713861720990804, 121467176505314129822, 58492863120535523766904, 33925794100542844193202602 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MATHEMATICA

Tan[ Tan[ x ]*Sin[ x ] ] (* Even Part *)

CROSSREFS

Sequence in context: A012437 A012434 A012368 * A012372 A012613 A012618

Adjacent sequences:  A009702 A009703 A009704 * A009706 A009707 A009708

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

Extended and signs tested Mar 15 1997 by Olivier Gerard.

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Last modified February 15 18:22 EST 2012. Contains 205835 sequences.