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A012995
sec(arctan(x)+arcsin(x))=1+4/2!*x^2+72/4!*x^4+3510/6!*x^6+315000/8!*x^8...
0
1, 4, 72, 3510, 315000, 45898650, 9783981900, 2881566037350, 1118460016674000, 553787154746075250, 340453667922140272500, 254502044013845436558750, 227301229608843762807435000
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A013066
A013102
A224900
*
A076744
A177392
A158269
Adjacent sequences:
A012992
A012993
A012994
*
A012996
A012997
A012998
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified August 22 00:18 EDT 2024. Contains 375353 sequences. (Running on oeis4.)