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A024225 Expansion of tan(sin(x)).x/2. 0
0, 1, 2, -9, -428, -5475, 251382, 21193459, 276227560, -106494482439, -11901572968150, 248514536608943, 277290379883298492, 34240556133396062229, -5078626013008010061410 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

MATHEMATICA

Tan[ Sin[ x ] ]*x/2 (* Even Part *)

CROSSREFS

A009667.

Sequence in context: A012991 A003818 A049299 * A000883 A086693 A085605

Adjacent sequences:  A024222 A024223 A024224 * A024226 A024227 A024228

KEYWORD

sign

AUTHOR

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

EXTENSIONS

Extended with signs 03/97.

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Last modified February 14 06:09 EST 2012. Contains 205570 sequences.