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Search: id:A012134
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A012134 exp(arcsin(arctanh(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5... +0
1
1, 1, 1, 4, 13, 84, 469, 4208, 33433, 386064, 3984681, 56523072, 718210725, 12121690944, 183013440765, 3589856932608, 62801454477105, 1406019035808000, 27970921286867025, 704535958463063040 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Sequence in context: A061143 A123333 A012258 this_sequence A088946 A131590 A041433

Adjacent sequences: A012131 A012132 A012133 this_sequence A012135 A012136 A012137

KEYWORD

nonn

AUTHOR

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

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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