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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
OFFSET
0,2
CROSSREFS
Sequence in context: A317664 A062779 A077155 * A190196 A065140 A007106
KEYWORD
nonn
AUTHOR
Patrick Demichel (patrick.demichel(AT)hp.com)
STATUS
approved