id:A009435 - OEIS Search Results

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

+0
1

0, 1, -1, -1, 0, 29, -105, 139, -2072, 31737, -247545, 1824151, -22456104, 313750293, -3929185169, 51584719523, -793292190480, 13137192234225, -221862616530705, 3947317975733039, -75492532592047280, 1522475446731094285 (list; graph; listen)

	OFFSET	`0,6`
	MATHEMATICA	`Log[ 1+x ]/Cosh[ x ]`
	CROSSREFS	`Sequence in context: A142109 A069472 A142138 this_sequence A126554 A009406 A142176` `Adjacent sequences: A009432 A009433 A009434 this_sequence A009436 A009437 A009438`
	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 1 13:27 EST 2009. Contains 167806 sequences.

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