login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A330628
as a simple table
n
a(n)
0
1
1
1
2
1
3
5
4
42
5
423
6
5458
7
80926
[1,1,1,5,42,423,5458,80926]