OFFSET
0,3
FORMULA
a(n) = A064986(n!).
MAPLE
MATHEMATICA
A064986[n_] := Module[{x, d, g = 1}, For[i = 1, True, i++, g = g/(1 - x^(i!)); g = Series[g, {x, 0, n+1}]; If[i! > n, Break[]]]; Return[ SeriesCoefficient[g, {x, 0, n}]]];
For[n = 0, n <= 7, n++, Print[n, " ", A064986[n!]]] (* Jean-François Alcover, Mar 19 2020, from Maple *)
CROSSREFS
KEYWORD
nonn,more
AUTHOR
R. J. Mathar, Mar 30 2017
EXTENSIONS
a(8)-a(10) from Alois P. Heinz, Mar 30 2017
STATUS
approved