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A013042
sec(sinh(x)+arcsin(x))=1+4/2!*x^2+96/4!*x^4+5664/6!*x^6+622720/8!*x^8...
0
1, 4, 96, 5664, 622720, 110002304, 28499801088, 10180961396480, 4796029025538048, 2880634827782397952, 2148613628413055418368, 1948442293941619438944256, 2111126262325896262110150656
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context:
A317664
A062779
A077155
*
A190196
A065140
A007106
Adjacent sequences:
A013039
A013040
A013041
*
A013043
A013044
A013045
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved
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Last modified May 31 22:12 EDT 2024. Contains 373007 sequences. (Running on oeis4.)