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Search: id:A012421
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A012421 sin(arctan(x)*sin(x))=2/2!*x^2-12/4!*x^4+70/6!*x^6+2856/8!*x^8... +0
1
2, -12, 70, 2856, -406262, 53106460, -8809933106, 1910193704272, -531575014780398, 185190064964692804, -78983931548861495466, 40480351020220065079928, -24547642682771502545050854 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A059229 A001251 A012426 this_sequence A012381 A012376 A002630

Adjacent sequences: A012418 A012419 A012420 this_sequence A012422 A012423 A012424

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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