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Search: id:A012129
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A012129 tanh(arcsin(tanh(x)))=x-3/3!*x^3+41/5!*x^5-1243/7!*x^7+65681/9!*x^9... +0
1
1, -3, 41, -1243, 65681, -5335283, 616216121, -95919970123, 19349625251361, -4909180152449763, 1529770153928451401, -574346328696763158203, 255703860384773029976241, -133196988269151890206719443 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012053 A012162 A012225 this_sequence A012035 A012016 A012104

Adjacent sequences: A012126 A012127 A012128 this_sequence A012130 A012131 A012132

KEYWORD

sign

AUTHOR

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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