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A024250 Expansion of tan(x)*sin(sinh(x))/2. 0
0, 1, 4, 24, 416, 17152, 996352, 74691456, 7245522944, 896234266624, 137930480164864, 25825353123102720, 5777805863334576128, 1522101710704028188672, 466366128918332878225408 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..14.

MATHEMATICA

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

CROSSREFS

A009741.

Sequence in context: A206239 A196687 A185457 * A167140 A010572 A247737

Adjacent sequences:  A024247 A024248 A024249 * A024251 A024252 A024253

KEYWORD

nonn

AUTHOR

R. H. Hardin

EXTENSIONS

Extended and signs tested 03/97.

STATUS

approved

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Last modified December 3 02:46 EST 2021. Contains 349445 sequences. (Running on oeis4.)