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Search: id:A012989
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A012989 cos(arctan(x)+arcsin(x))=1-4/2!*x^2+24/4!*x^4-630/6!*x^6+27720/8!*x^8... +0
1
1, -4, 24, -630, 27720, -2353050, 267567300, -46909412550, 10103827734000, -3007951147451250, 1049953727680357500, -474655168783984938750, 244316469166238814345000, -155979504015802517206406250 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A013100 A013061 A071302 this_sequence A058171 A009043 A024251

Adjacent sequences: A012986 A012987 A012988 this_sequence A012990 A012991 A012992

KEYWORD

sign

AUTHOR

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

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Last modified December 4 12:27 EST 2008. Contains 151280 sequences.

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