login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A372495
as a simple table
n
a(n)
0
2
1
4
2
10
3
34
4
200
5
3466
6
829744
[2,4,10,34,200,3466,829744]