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Search: id:A012090
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A012090 arctan(arcsin(atan(x)))=x-3/3!*x^3+57/5!*x^5-2587/7!*x^7+217137/9!*x^9... +0
1
1, -3, 57, -2587, 217137, -29025587, 5664605801, -1519556355275, 536514935904609, -241225069255390307, 134580033555427233689, -91237165395466088195963, 73877505225687035803070353 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A009723 A069992 A012196 this_sequence A012064 A012204 A000281

Adjacent sequences: A012087 A012088 A012089 this_sequence A012091 A012092 A012093

KEYWORD

sign

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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