id:A009015 - OEIS Search Results

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Expansion of cos(cos(x).x).

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1, -1, 13, -181, 3865, -140521, 6324517, -344747677, 23853473329, -1996865965009, 193406280000061, -21615227339380357, 2778071540350106953, -403985610499148666041, 65635628800688339178325 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Cos[ x ]x ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A122571 A001570 A020544 this_sequence A067385 A097260 A091540` `Adjacent sequences: A009012 A009013 A009014 this_sequence A009016 A009017 A009018`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research