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Search: id:A012027
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A012027 cosh(sin(arctan(x)))=1+1/2!*x^2-11/4!*x^4+301/6!*x^6-15287/8!*x^8... +0
1
1, 1, -11, 301, -15287, 1239481, -146243459, 23567903269, -4951201340399, 1307274054385393, -420773143716828539, 160635990248839962781, -70764171306270411101351, 34822234810202848704345001 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A001538 A101269 A012184 this_sequence A002114 A012192 A012079

Adjacent sequences: A012024 A012025 A012026 this_sequence A012028 A012029 A012030

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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