login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A056705
as a simple table
n
a(n)
1
0
2
1
3
11
4
17
5
773
6
18155
[0,1,11,17,773,18155]