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Search: id:A009422
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A009422 Expansion of ln(1+x).ln(1+tan(x)). +0
2
0, 0, 2, -6, 30, -160, 1084, -8316, 74456, -749184, 8474240, -106035424, 1459781056, -21914009728, 356711937152, -6258266154752, 117778607150592, -2366994133647360, 50601711980789760, -1146653711692951552 (list; graph; listen)
OFFSET

0,3

MATHEMATICA

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

CROSSREFS

Sequence in context: A113593 A122763 A005432 this_sequence A057221 A127115 A096769

Adjacent sequences: A009419 A009420 A009421 this_sequence A009423 A009424 A009425

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 July 19 08:04 EDT 2008. Contains 142098 sequences.


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