login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A309743
as a simple table
n
a(n)
1
0
2
1
3
2
4
6
5
12
6
245
7
298
8
2967
9
4321
10
7225
11
11267
[0,1,2,6,12,245,298,2967,4321,7225,11267]