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A012179
sinh(tan(arctanh(x)))=x+5/3!*x^3+121/5!*x^5+6621/7!*x^7+636337/9!*x^9...
0
1, 5, 121, 6621, 636337, 94260341, 19853570985, 5628171840461, 2063430523313761, 949149114720943077, 534861693803619166681, 362197405161801586405565, 290099119826974859032451601
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A108791
A282271
A179299
*
A012026
A012190
A012077
Adjacent sequences:
A012176
A012177
A012178
*
A012180
A012181
A012182
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified April 18 04:56 EDT 2024. Contains 371767 sequences. (Running on oeis4.)