login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A393920
as a simple table
n
a(n)
1
2
2
7
3
34
4
199
5
1308
6
9300
7
69978
8
549559
[2,7,34,199,1308,9300,69978,549559]
