A009193 - OEIS

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A009193

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

1, 1, 0, 3, 6, -5, 135, -154, 1260, 6189, -33285, 470294, -2056758, 14299935, -3614611, -379101878, 10041282472, -121491285111, 1656259499511, -21619048472474, 338632378045750, -5874571029856693, 115201962050532137 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Exp[ Log[ 1+x ]*Cosh[ x ] ]`
	CROSSREFS	`Sequence in context: A199126 A115389 A121867 * A144253 A138743 A152422` `Adjacent sequences: A009190 A009191 A009192 * A009194 A009195 A009196`
	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 11:36 EST 2012. Contains 205623 sequences.