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A012683
arcsinh(tanh(x)*arctan(x))=2/2!*x^2-16/4!*x^4+200/6!*x^6+1024/8!*x^8...
0
2, -16, 200, 1024, -523232, 36263680, 7024697472, -3839533326336, 933770326393344, 5856130402316288, -153024990104004376576, 83925295292036381278208, 4161808298471932199182336
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OFFSET
0,1
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A209586
A334237
A356585
*
A012677
A158212
A300456
Adjacent sequences:
A012680
A012681
A012682
*
A012684
A012685
A012686
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)