login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A355574
as a simple table
n
a(n)
1
2
2
90
3
223
4
2686
5
31601
6
370894
7
4220160
8
46962379
9
512600193
[2,90,223,2686,31601,370894,4220160,46962379, 512600193]
