login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A243428
as a simple table
n
a(n)
1
4
2
6
3
10
4
14
5
22
6
25
7
35
8
39
9
95
10
123
11
129
12
177
13
289
14
309
15
327
16
355
17
415
18
445
19
471
20
497
21
543
22
689
[4,6,10,14,22,25,35,39,95,123,129,177,289,309,327, 355,415,445,471,497,543,689]