login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A291742
as a simple table
n
a(n)
1
2
2
2
3
3
4
7
5
22
6
123
7
2281
8
221074
9
300492228
[2,2,3,7,22,123,2281,221074,300492228]