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A054908
as a simple table
n
a(n)
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
1
13
0
14
1
15
1
16
1
17
1
18
4
19
3
20
12
21
12
22
28
23
49
24
156
25
368
[0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,1,4,3,12,12,28, 49,156,368]