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A033177
as a simple table
n
a(n)
1
0
2
1
3
1
4
1
5
3
6
2
7
4
8
4
9
6
10
7
11
20
12
3
13
28
14
9
15
21
16
12
17
14
18
18
19
52
20
26
21
69
22
17
23
48
24
16
25
160
26
168
[0,1,1,1,3,2,4,4,6,7,20,3,28,9,21,12,14,18,52,26, 69,17,48,16,160,168]