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Search: id:A009649
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A009649 Expansion of tan(ln(1+x)*cos(x)). +0
1
0, 1, -1, 1, -12, 35, -195, 1979, -13552, 131333, -1540845, 16920341, -219934044, 3138657015, -46097651327, 745768998623, -12886218266880, 233789283755465, -4532667637516281, 92739558324236905, -1991654643609977740 (list; graph; listen)
OFFSET

0,5

MATHEMATICA

Tan[ Log[ 1+x ]*Cos[ x ] ]

CROSSREFS

Adjacent sequences: A009646 A009647 A009648 this_sequence A009650 A009651 A009652

Sequence in context: A058968 A121805 A103472 this_sequence A007794 A008653 A038006

KEYWORD

sign,easy

AUTHOR

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

EXTENSIONS

Extended with signs Mar 15 1997 by Olivier Gerard.

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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