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Search: id:A012213
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A012213 exp(arctan(arcsinh(x)))=1+x+1/2!*x^2-2/3!*x^3-11/4!*x^4+24/5!*x^5... +0
1
1, 1, 1, -2, -11, 24, 349, -664, -22007, 28416, 2312601, -942336, -365164227, -260697984, 80916522933, 165900454656, -23968582079343, -85943912448000, 9151870592718513, 48584004553543680, -4378918837383018747 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Adjacent sequences: A012210 A012211 A012212 this_sequence A012214 A012215 A012216

Sequence in context: A042347 A041803 A009189 this_sequence A012251 A077482 A141428

KEYWORD

sign

AUTHOR

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

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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