id:A003709 - OEIS Search Results

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Expansion of cos(sin(x)). Unsigned sequence from expansion of cosh(sinh(x)).
(Formerly M3986)

+0
3

1, -1, 5, -37, 457, -8169, 188685, -5497741, 197920145, -8541537105, 432381471509, -25340238127989, 1699894200469849, -129076687233903673, 10989863562589199389, -1041327644107761435101 (list; graph; listen)

	OFFSET	`0,3`
	REFERENCES	`L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 226, 8th line of table.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..50`
	MATHEMATICA	`Cos[ Sin[ x ] ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A055869 A112937 A092649 this_sequence A095957 A121834 A083846` `Adjacent sequences: A003706 A003707 A003708 this_sequence A003710 A003711 A003712`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com), Simon Plouffe (plouffe(AT)math.uqam.ca)`

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Last modified September 6 15:44 EDT 2008. Contains 143483 sequences.

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