login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A090533
as a simple table
n
a(n)
1
2
2
4
3
8
4
14
5
22
6
33
7
48
8
66
9
90
10
120
11
156
12
202
13
256
14
322
15
400
16
494
17
604
18
734
19
888
20
1067
[2,4,8,14,22,33,48,66,90,120,156,202,256,322,400, 494,604,734,888,1067]