id:A009432 - OEIS Search Results

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Expansion of ln(1+x)/cosh(sinh(x)).

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0, 1, -1, -1, 0, 9, -45, 447, -2744, 17553, -171585, 1757535, -19723176, 245370969, -3189613245, 44636677407, -674857335120, 10851333193249, -185485926579489, 3356664148618047, -64009236131219760, 1284480775318317225 (list; graph; listen)

	OFFSET	`0,6`
	MATHEMATICA	`Log[ 1+x ]/Cosh[ Sinh[ x ] ]`
	CROSSREFS	`Sequence in context: A009410 A030113 A001556 this_sequence A145757 A058824 A050909` `Adjacent sequences: A009429 A009430 A009431 this_sequence A009433 A009434 A009435`
	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 December 17 23:40 EST 2009. Contains 171025 sequences.

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