id:A009397 - OEIS Search Results

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Expansion of ln(1+tanh(x)*sinh(x)).

+0
2

0, 2, -16, 422, -22216, 1971002, -265691116, 50700975782, -13016429899216, 4327444080299762, -1808838826865938516, 928500311849311382942, -574198882099583321361016, 421058394568919310756145322 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Log[ 1+Tanh[ x ]Sinh[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A012752 A130276 A027871 this_sequence A009700 A012030 A012682` `Adjacent sequences: A009394 A009395 A009396 this_sequence A009398 A009399 A009400`
	KEYWORD	`sign`
	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 19 12:50 EST 2009. Contains 171053 sequences.

AT&T Labs Research