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A009196 Expansion of exp(ln(1+x)/cos(x)). 0
1, 1, 0, 3, 6, 15, 195, 126, 6860, 10581, 275955, 1581734, 11684442, 223836379, 423165561, 32439219242, 10301267912, 4976257880345, 4959730228167, 803695677341350, 3521551886934550, 131556027669677615 (list; graph; refs; listen; history; internal format)
OFFSET

0,4

MATHEMATICA

Exp[ Log[ 1+x ]/Cos[ x ] ]

CROSSREFS

Sequence in context: A013271 A013272 A013278 * A116613 A127935 A144538

Adjacent sequences:  A009193 A009194 A009195 * A009197 A009198 A009199

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 16 21:51 EST 2012. Contains 205978 sequences.