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A012010 arctan(sin(sin(x)))=x-4/3!*x^3+76/5!*x^5-3592/7!*x^7+317968/9!*x^9... 0
1, -4, 76, -3592, 317968, -45286528, 9459412288, -2724254181760, 1034595588065536, -500961002883890176, 301230818225601928192, -220218226893098691684352, 192355329482117756948647936 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A012101 A012080 A012047 * A012155 A118193 A052271

Adjacent sequences:  A012007 A012008 A012009 * A012011 A012012 A012013

KEYWORD

sign

AUTHOR

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

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Last modified February 14 21:59 EST 2012. Contains 205667 sequences.