login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A338216
as a simple table
n
a(n)
1
1
2
2
3
3
4
13
5
18
6
26
7
66
8
176
9
313
10
657
11
1022
12
2575
13
5142
14
9269
[1,2,3,13,18,26,66,176,313,657,1022,2575,5142, 9269]