id:A009433 - OEIS Search Results

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

+0
1

0, 1, -1, -1, 0, -11, 15, 27, -504, 11817, -94185, 1226455, -12442056, 155936221, -1995562569, 27870901107, -423463160400, 6793396567633, -117302680146033, 2130615128588591, -40960288523646320, 827190717641773765 (list; graph; listen)

	OFFSET	`0,6`
	MATHEMATICA	`Log[ 1+x ]/Cosh[ Tan[ x ] ]`
	CROSSREFS	`Sequence in context: A054280 A094766 A009407 this_sequence A030099 A085597 A097512` `Adjacent sequences: A009430 A009431 A009432 this_sequence A009434 A009435 A009436`
	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 July 19 08:04 EDT 2008. Contains 142098 sequences.

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