A024299 - OEIS

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A024299

Expansion of ln(1+tanh(x)^2)/2.

0, 1, -14, 496, -34544, 4055296, -724212224, 183218384896, -62380415842304, 27507260369207296, -15250924309151350784, 10384039093607251050496, -8517991922318587187953664, 8285309769460200661892202496 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Log[ 1+Tanh[ x ]^2 ]/2 (* Even Part *)`
	CROSSREFS	`A009403.` `Cf. A003707, A101921.` `Sequence in context: A200061 A171208 A128051 * A190999 A159645 A109773` `Adjacent sequences: A024296 A024297 A024298 * A024300 A024301 A024302`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.