id:A009355 - OEIS Search Results

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

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0, 1, -1, 0, -4, 40, -181, 896, -8464, 88320, -863041, 9382912, -120330244, 1676579840, -24638823301, 390142722048, -6678730634944, 121851014348800, -2353418855768161, 48123147849826304, -1039698070255280164 (list; graph; listen)

	OFFSET	`0,5`
	MATHEMATICA	`Log[ 1+Sinh[ x ] ]/Cosh[ x ]`
	CROSSREFS	`Sequence in context: A091104 A069539 A063997 this_sequence A061132 A115286 A119635` `Adjacent sequences: A009352 A009353 A009354 this_sequence A009356 A009357 A009358`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research