login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A347581
as a simple table
n
a(n)
1
4
2
9
3
14
4
20
5
26
6
33
7
40
8
47
9
55
10
63
[4,9,14,20,26,33,40,47,55,63]
