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Search: id:A012139
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A012139 sinh(arcsin(arctanh(x)))=x+4/3!*x^3+84/5!*x^5+4208/7!*x^7+386064/9!*x^9... +0
1
1, 4, 84, 4208, 386064, 56523072, 12121690944, 3589856932608, 1406019035808000, 704535958463063040, 439949357001315947520, 335139715537167259791360, 305989012726577998256148480 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A024260 A099706 A012065 this_sequence A012037 A012025 A012107

Adjacent sequences: A012136 A012137 A012138 this_sequence A012140 A012141 A012142

KEYWORD

nonn

AUTHOR

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

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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