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A024232 Expansion of sinh(sin(x))*sin(x)/2. 0
0, 1, -2, -21, 444, -4043, -57734, 4431903, -137672328, 1244088553, 184838420470, -17069741031981, 845918682523956, -8263281816036323, -3834564826764276110, 544057197945051822855, -43762588329819235118352 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..16.

MATHEMATICA

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

CROSSREFS

Cf. A009591.

Sequence in context: A087546 A090729 A090310 * A192666 A090451 A199747

Adjacent sequences:  A024229 A024230 A024231 * A024233 A024234 A024235

KEYWORD

sign

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs Mar 1997

STATUS

approved

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Last modified November 27 03:27 EST 2020. Contains 338677 sequences. (Running on oeis4.)