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A009497 Expansion of sin(x)*sin(sinh(x))/2. +0
1
1, -64, 25216, -31711744, 93380755456, -538721831747584, 5434440423098023936, -88353705160970793385984, 2179843711161864280506105856, -77903078128153520290915516678144 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

Sin[ Sinh[ x ]*Sin[ x ] ]/2 (* [ x^(4n+2) ] *)

CROSSREFS

Cf. A012524.

Sequence in context: A082502 A052200 A146517 this_sequence A145258 A013743 A098843

Adjacent sequences: A009494 A009495 A009496 this_sequence A009498 A009499 A009500

KEYWORD

sign

AUTHOR

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

EXTENSIONS

Extended by Olivier Gerard, Mar 15 1997.

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


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