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Search: id:A012155
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A012155 arcsin(tan(sinh(x)))=x+4/3!*x^3+76/5!*x^5+3592/7!*x^7+325648/9!*x^9... +0
1
1, 4, 76, 3592, 325648, 49088128, 11155494208, 3566506418560, 1525463139748096, 840688518856539136, 579910469070833277952, 489338149015716318963712, 495775150805105569019662336 (list; graph; listen)
OFFSET

0,2

MATHEMATICA

Select[ Range[0, 27]! CoefficientList[ Series[ ArcSin[ Tan[ Sinh[x]]], {x, 0, 27}], x], # > 0 &] (from Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 05 2005)

CROSSREFS

Sequence in context: A012080 A012047 A012010 this_sequence A118193 A052271 A080989

Adjacent sequences: A012152 A012153 A012154 this_sequence A012156 A012157 A012158

KEYWORD

nonn

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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