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A024244 Expansion of tan(sin(x).x)/2. +0
1
0, 1, -2, 123, -3364, 307445, -27693606, 4225124911, -763609828808, 186062503278825, -54699231827563210, 19846874921743244771, -8537442340155261028332, 4342042121637684282920413 (list; graph; listen)
OFFSET

0,3

MATHEMATICA

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

CROSSREFS

A009673.

Sequence in context: A042799 A074490 A056638 this_sequence A088055 A065705 A042921

Adjacent sequences: A024241 A024242 A024243 this_sequence A024245 A024246 A024247

KEYWORD

sign

AUTHOR

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

EXTENSIONS

Extended with signs 03/97.

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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