login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A269706
as a simple table
n
a(n)
1
1
2
2
3
6
4
15
5
25
6
42
7
65
[1,2,6,15,25,42,65]
