login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A362515
as a simple table
n
a(n)
1
0
2
1
3
10
4
138
5
5518
6
1549272
7
13182879778
[0,1,10,138,5518,1549272,13182879778]