OFFSET
0,7
COMMENTS
The first 6 terms are {0,0,1,1,1,1}; thereafter apply the recurrence. Note that 0^0=1.
LINKS
MATHEMATICA
a[0] = 0; a[1] = 0; a[2] = 1; a[3] = 1; a[4] = 1; a[5] = 1; a[6] = 3; a[n_] := a[n - 1] + a[n - 2]*a[n - 3] + a[n - 4]*a[n - 5]^a[n - 6]; Table[a[n], {n, 0, 15}] (* Wesley Ivan Hurt, Jul 07 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert Munafo, Jan 21 2010
STATUS
approved