A024330 - OEIS

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A024330

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

0, 0, 1, -3, 7, -10, -18, 168, 360, -19008, 262080, -2724480, 25194240, -232951680, 2505444480, -34676812800, 577980748800, -10296734515200, 185178186547200, -3347775973785600, 62005095419904000, -1204098364514304000 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,4`
	LINKS	`Table of n, a(n) for n=0..21.`
	MATHEMATICA	`Tanh[ Log[ 1+x ] ]*Log[ 1+x ]/2`
	CROSSREFS	`A009779.` `Sequence in context: A042591 A098001 A171071 * A069153 A167390 A000223` `Adjacent sequences: A024327 A024328 A024329 * A024331 A024332 A024333`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin`
	EXTENSIONS	`Extended with signs 03/97.`
	STATUS	`approved`

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Last modified May 21 14:35 EDT 2013. Contains 225503 sequences.