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Search: id:A012023
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A012023 cos(sin(arctan(x)))=1-1/2!*x^2+13/4!*x^4-421/6!*x^6+25369/8!*x^8... +0
1
1, -1, 13, -421, 25369, -2449801, 346065061, -67243537453, 17192488230961, -5593309059948049, 2255588021494237501, -1103994926592923677621, 644587811150505183179593, -442516027690815793746696601 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A088919 A142484 A098890 this_sequence A081442 A100872 A012045

Adjacent sequences: A012020 A012021 A012022 this_sequence A012024 A012025 A012026

KEYWORD

sign

AUTHOR

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

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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