login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A054039
as a simple table
n
a(n)
1
0
2
4
3
13
4
32
5
113
6
322
7
1017
8
3206
9
10124
10
32043
[0,4,13,32,113,322,1017,3206,10124,32043]