login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A239773
as a simple table
n
a(n)
0
1
1
1
2
10
3
231
4
9880
5
644845
6
58790736
7
7077540295
[1,1,10,231,9880,644845,58790736,7077540295]
