id:A024278 - OEIS Search Results

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Expansion of tan(tan(x))*sin(x)/2.

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0, 1, 6, 179, 9676, 854597, 111361298, 20061390071, 4771665341848, 1447947783210249, 545795035419716382, 250167844738073041595, 137013989756844496168292, 88367083240335992790622797 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ Tan[ x ]]Sin[ x ]/2 ( Even Part *)`
	CROSSREFS	`A009698.` `Sequence in context: A012227 A012152 A165928 this_sequence A062240 A046989 A135395` `Adjacent sequences: A024275 A024276 A024277 this_sequence A024279 A024280 A024281`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested 03/97.`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research