login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A242894
as a simple table
n
a(n)
1
5
2
10
3
10
4
20
5
20
6
25
7
35
8
40
9
40
10
45
11
45
[5,10,10,20,20,25,35,40,40,45,45]