OFFSET
0,1
COMMENTS
If a(0)=3, the recursion formula gives A000215.
FORMULA
a(0)=11. a(n)= 2 + Product_{i=0..n-1} a(i).
MATHEMATICA
a[0] := 11;
a[n_] := a[n] = Product[a[i], {i, 0, n - 1}] + 2;
Table[a[n], {n, 0, 10}]
CROSSREFS
KEYWORD
nonn,less
AUTHOR
Roger L. Bagula, May 27 2010
EXTENSIONS
Definition simplified by the Assoc. Eds. of the OEIS - May 28 2010
STATUS
approved