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A012909
sec(arcsin(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+107/4!*x^4-490/5!*x^5...
0
1, 0, 4, -6, 107, -490, 7780, -66045, 1113185, -14056740, 264337750, -4409272175, 93796875575, -1927625491350, 46373594683000, -1124449061497125, 30408904419466625, -845698069130473000
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..17.
CROSSREFS
Sequence in context:
A139730
A367880
A013023
*
A219507
A367878
A012934
Adjacent sequences:
A012906
A012907
A012908
*
A012910
A012911
A012912
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)