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A024251 Expansion of tan(x)*sinh(sin(x))/2. 0
0, 1, 4, 24, 864, 30592, 1553920, 117742464, 11397335040, 1412290109440, 217673365676032, 40748299759681536, 9116312439290462208, 2401574168877397737472, 735827858439672282087424 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

MATHEMATICA

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

CROSSREFS

A009745.

Sequence in context: A326794 A223005 A009043 * A193484 A024252 A303131

Adjacent sequences:  A024248 A024249 A024250 * A024252 A024253 A024254

KEYWORD

nonn

AUTHOR

R. H. Hardin

EXTENSIONS

Extended and signs tested 03/97.

STATUS

approved

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Last modified May 22 16:57 EDT 2022. Contains 353957 sequences. (Running on oeis4.)