id:A024273 - OEIS Search Results

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Expansion of sin(tanh(x)).x/2.

+0
1

0, 1, -6, 111, -3836, 208205, -16162146, 1691108251, -228856755640, 38843134101081, -8072581315789950, 2015026740164435591, -594586585293174554676, 204653655148187534506789 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Sin[ Tanh[ x ]]x/2 ( Even Part *)`
	CROSSREFS	`A009525.` `Sequence in context: A050884 A156554 A112499 this_sequence A024274 A162081 A009612` `Adjacent sequences: A024270 A024271 A024272 this_sequence A024274 A024275 A024276`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research