A009309 - OEIS

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A009309

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

0, 1, -2, 8, -43, 299, -2566, 26200, -310458, 4190709, -63507976, 1067945504, -19737313696, 397714143007, -8678720911680, 203901057411888, -5131882643803216, 137757901532413673, -3928752297641273728 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Log[ 1+Log[ 1+Sinh[ x ] ] ]`
	CROSSREFS	`Sequence in context: A027836 A007169 A106327 * A075817 A018985 A018986` `Adjacent sequences: A009306 A009307 A009308 * A009310 A009311 A009312`
	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 23:04 EST 2012. Contains 205686 sequences.