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Search: id:A012824
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A012824 tan(sec(x)*arcsinh(x))=x+4/3!*x^3+80/5!*x^5+3176/7!*x^7+240128/9!*x^9... +0
1
1, 4, 80, 3176, 240128, 26523264, 4329123968, 926411177472, 262606340440064, 92031599216406528, 40177149524079247360, 20888461815920151461888, 13005071730835628127846400, 9394925108531366128729587712 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A132584 A012127 A057875 this_sequence A012057 A102063 A002436

Adjacent sequences: A012821 A012822 A012823 this_sequence A012825 A012826 A012827

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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