login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A199135
as a simple table
n
a(n)
1
1
2
3
3
11
4
64
5
504
6
5241
7
66515
[1,3,11,64,504,5241,66515]