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Search: id:A012032
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A012032 sec(sin(sinh(x)))=1+1/2!*x^2+5/4!*x^4+13/6!*x^6-1303/8!*x^8... +0
1
1, 1, 5, 13, -1303, -97351, -5539667, -182565627, 23677748561, 8153921374705, 1571128609968341, 190412412110488701, -16146953133290647751, -22882305147029329939799 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A155185 A009157 A153374 this_sequence A121228 A012173 A009143

Adjacent sequences: A012029 A012030 A012031 this_sequence A012033 A012034 A012035

KEYWORD

sign

AUTHOR

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

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.

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