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Search: id:A013067
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A013067 sech(sinh(x)+arctan(x))=1-4/2!*x^2+88/4!*x^4-5014/6!*x^6... +0
1
1, -4, 88, -5014, 538376, -93064954, 23605179172, -8256285769398, 3808207305952112, -2239609649656903474, 1635640402649689743132, -1452319030188781207688526, 1540754005662731974429453160 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A012830 A012946 A013101 this_sequence A012996 A065754 A067767

Adjacent sequences: A013064 A013065 A013066 this_sequence A013068 A013069 A013070

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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