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A009748 Expansion of tan(x)*tan(sin(x)). +0
2
0, 2, 12, 118, 1880, 63274, 4010212, 332200222, 32100167600, 3749943333714, 559340287979196, 106082041802123974, 24279253761809428744, 6438550081937270152314, 1958379738778789723419028 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

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

CROSSREFS

Sequence in context: A132692 A136736 A009546 this_sequence A095717 A089431 A119701

Adjacent sequences: A009745 A009746 A009747 this_sequence A009749 A009750 A009751

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhh(AT)cadence.com)

EXTENSIONS

Extended and signs tested Mar 15 1997 by Olivier Gerard.

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


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