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A024269 Expansion of tan(x)*sin(tan(x))/2. 0
0, 1, 6, 59, 268, -58123, -8182126, -1063116241, -153085326824, -25192786614807, -4733251241428194, -1002760023439122397, -234743067240981946588, -58793979433427774979363, -14793571004015066901139030 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

MATHEMATICA

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

CROSSREFS

Cf. A009742.

Sequence in context: A141382 A034982 A156147 * A114501 A089153 A075136

Adjacent sequences:  A024266 A024267 A024268 * A024270 A024271 A024272

KEYWORD

sign

AUTHOR

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

EXTENSIONS

Extended with signs 03/97.

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.