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A009699 Expansion of tan(tan(x))*sinh(x). 1
0, 2, 20, 518, 27432, 2405194, 312554428, 56240197198, 13369846932560, 4056020122211730, 1528702557462347620, 700644649971815625622, 383722595185095053746040, 247477546043660240025524954 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MATHEMATICA

Tan[ Tan[ x ] ]*Sinh[ x ] (* Even Part *)

CROSSREFS

Sequence in context: A168136 A103353 A009344 * A101927 A157317 A009399

Adjacent sequences:  A009696 A009697 A009698 * A009700 A009701 A009702

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

EXTENSIONS

Extended and signs tested Mar 15 1997 by Olivier Gerard.

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.