login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A111729
as a simple table
n
a(n)
1
2525
2
3535
3
4545
4
5555
5
6565
6
7510
7
8510
8
9595
9
2525
[2525,3535,4545,5555,6565,7510,8510,9595,2525]