A009676 - OEIS

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A009676

Expansion of tan(sinh(ln(1+x))).

0, 1, -1, 5, -24, 166, -1350, 13082, -145376, 1827376, -25592400, 395118272, -6664254432, 121895495632, -2402856317680, 50776649007632, -1144984530078720, 27440409496420096, -696465326225541888 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Tan[ Sinh[ Log[ 1+x ] ] ]`
	CROSSREFS	`Sequence in context: A009424 A184597 A009601 * A192995 A027851 A120765` `Adjacent sequences: A009673 A009674 A009675 * A009677 A009678 A009679`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified February 14 11:36 EST 2012. Contains 205623 sequences.