login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A224538
as a simple table
n
a(n)
0
1
1
4
2
49
3
340
4
4235
5
39706
6
397068
7
3970918
8
39523168
9
395436300
10
3953296865
[1,4,49,340,4235,39706,397068,3970918,39523168, 395436300,3953296865]