id:A009281 - OEIS Search Results

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

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1, 1, 2, 1, 7, -19, 136, -923, 7421, -66743, 667486, -7342279, 88107427, -1145396459, 16035550532, -240533257859, 3848532125881, -65425046139823, 1177650830516986, -22375365779822543, 447507315596451071 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Exp[ x ]*Cosh[ Log[ 1+x ] ]`
	CROSSREFS	`Sequence in context: A012888 A012893 A013075 this_sequence A141516 A138346 A085073` `Adjacent sequences: A009278 A009279 A009280 this_sequence A009282 A009283 A009284`
	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 November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research