login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A290642
as a simple table
n
a(n)
1
3
2
7
3
13
4
14
5
15
6
18
[3,7,13,14,15,18]
