login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A259470
as a simple table
n
a(n)
1
1
2
2
3
6
4
12
5
20
6
34
7
56
8
88
9
136
10
234
[1,2,6,12,20,34,56,88,136,234]