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A024237 Expansion of sin(sin(x).x)/2. 0
0, 1, -2, -57, 1676, -17635, -1122006, 99327235, -4010916008, -75491622279, 33762742192790, -3763414135963009, 184034237755893348, 24103347121120917013, -8293034089278790553534 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

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

MATHEMATICA

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

CROSSREFS

A009484.

Sequence in context: A041391 A189057 A058196 * A030263 A090743 A104494

Adjacent sequences:  A024234 A024235 A024236 * A024238 A024239 A024240

KEYWORD

sign

AUTHOR

R. H. Hardin

EXTENSIONS

Extended with signs 03/97.

STATUS

approved

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Last modified May 23 16:29 EDT 2013. Contains 225610 sequences.