OFFSET
1,3
MATHEMATICA
a[0] = 1; a[1] = 0; a[1] = 1;
a[n_] := a[n] = a[n - a[n - 1]] + a[a[Floor[2*n/3]]];
Table[a[n], {n, 0, 200}]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, Oct 16 2008
STATUS
approved