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A013023
sec(sinh(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, 7684, -65877, 1090337, -13921668, 257455734, -4331216175, 90917175543, -1878247055958, 44731827065384, -1087289104715205, 29180344841087233, -811860199866466216
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OFFSET
0,3
LINKS
Table of n, a(n) for n=0..17.
CROSSREFS
Sequence in context:
A105037
A139730
A367880
*
A012909
A219507
A367878
Adjacent sequences:
A013020
A013021
A013022
*
A013024
A013025
A013026
KEYWORD
sign
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified March 28 09:02 EDT 2024. Contains 371237 sequences. (Running on oeis4.)