|
|
A178426
|
|
11 followed by the Fermat numbers A152585.
|
|
2
|
|
|
|
OFFSET
|
0,1
|
|
COMMENTS
|
If a(0)=3, the recursion formula gives A000215.
|
|
LINKS
|
|
|
FORMULA
|
a(0)=11. a(n)= 2+product{i=0..n-1} a(i).
|
|
MATHEMATICA
|
Clear[a, n];
a[0] := 11;
a[n_] := a[n] = Product[a[i], {i, 0, n - 1}] + 2;
Table[a[n], {n, 0, 10}]
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
Definition simplified by the Assoc. Eds. of the OEIS - May 28 2010
|
|
STATUS
|
approved
|
|
|
|