login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A354406
as a simple table
n
a(n)
1
2
2
53
3
1354
4
43573
5
1472916
6
51907977
7
1877071666
[2,53,1354,43573,1472916,51907977,1877071666]
