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Search: id:A012081
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A012081 arcsinh(arcsin(tan(x)))=x+2/3!*x^3+24/5!*x^5+888/7!*x^7+68352/9!*x^9... +0
1
1, 2, 24, 888, 68352, 8853888, 1724221056, 470304668928, 171029448056832, 79950698284462080, 46709069479002931200, 33347332565041919950848, 28565775294718770340331520, 28915860353300526164581613568 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012128 A099704 A012186 this_sequence A137274 A002032 A015212

Adjacent sequences: A012078 A012079 A012080 this_sequence A012082 A012083 A012084

KEYWORD

nonn

AUTHOR

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

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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