OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..485
FORMULA
MAPLE
g:= proc(n) option remember; `if`(n=0, 1, add(
binomial(n-1, j-1)*irem(j, 2)*g(n-j), j=1..n))
end:
b:= proc(n, m) option remember; `if`(n=0,
g(m), m*b(n-1, m)+b(n-1, m+1))
end:
a:= n-> b(n, 0):
seq(a(n), n=0..22); # Alois P. Heinz, Jun 23 2023
MATHEMATICA
nmax = 22; CoefficientList[Series[Exp[Sinh[Exp[x] - 1]], {x, 0, nmax}], x] Range[0, nmax]!
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Nov 27 2019
STATUS
approved