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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
MATHEMATICA
With[{nn=30}, Take[CoefficientList[Series[Sin[Sin[x]*x]/2, {x, 0, nn}], x] Range[0, nn]!, {1, -1, 2}]] (* Harvey P. Dale, Nov 02 2015 *)
CROSSREFS
Cf. A009484.
Sequence in context: A229015 A324318 A058196 * A030263 A359242 A090743
KEYWORD
sign
AUTHOR
EXTENSIONS
Extended with signs Mar 1997
Prior Mathematica program replaced by Harvey P. Dale, Nov 02 2015
STATUS
approved

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Last modified February 29 13:00 EST 2024. Contains 370425 sequences. (Running on oeis4.)