A009426 - OEIS

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A009426

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

0, 1, -1, 5, -12, 89, -345, 3093, -17136, 182097, -1334025, 16371365, -150969324, 2101489961, -23556117585, 367038504693, -4870660226880, 84100519126561, -1293871061371761, 24562906630580293, -430689316852061740 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+x ]/Cos[ Sinh[ x ] ]`
	CROSSREFS	`Sequence in context: A074245 A064371 A009414 * A009731 A009427 A009754` `Adjacent sequences: A009423 A009424 A009425 * A009427 A009428 A009429`
	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 February 14 18:09 EST 2012. Contains 205663 sequences.