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A024270 Expansion of sin(x)*sin(sin(x))/2. 0
0, 1, -6, 59, -908, 18677, -487186, 15884591, -629675288, 29536549353, -1613063972382, 101389361542691, -7251646333534372, 584069408536408797, -52535046765694820650, 5240820278389450723095, -576261065508176155275824 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

MATHEMATICA

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

CROSSREFS

Cf. A009546.

Sequence in context: A075136 A024382 A053987 * A024271 A271964 A237576

Adjacent sequences:  A024267 A024268 A024269 * A024271 A024272 A024273

KEYWORD

sign

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs Mar 1997

STATUS

approved

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Last modified January 19 04:17 EST 2020. Contains 331031 sequences. (Running on oeis4.)