id:A009122 - OEIS Search Results

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

+0
2

1, 0, 1, -6, 41, -335, 3229, -36036, 457932, -6534384, 103499016, -1802302128, 34227784920, -704076488232, 15595687319640, -370108332316992, 9368461983616128, -251958336139856448, 7174771808983995456 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Cosh[ Log[ 1+Log[ 1+x ] ] ]`
	CROSSREFS	`Twice the absolute values are in A052864.` `Sequence in context: A095177 A083430 A005011 this_sequence A094869 A006198 A113573` `Adjacent sequences: A009119 A009120 A009121 this_sequence A009123 A009124 A009125`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research