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Search: id:A012079
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A012079 cos(arcsin(tan(x)))=1-1/2!*x^2-11/4!*x^4-301/6!*x^6-16631/8!*x^8... +0
2
1, -1, -11, -301, -16631, -1620601, -250557251, -56629836901, -17602836565871, -7193368568377201, -3735581618747946491, -2401310609311293289501, -1871136400199563216523111 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Bisection of A012253.

Sequence in context: A012027 A002114 A012192 this_sequence A001280 A100445 A060495

Adjacent sequences: A012076 A012077 A012078 this_sequence A012080 A012081 A012082

KEYWORD

sign

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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