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A169923
as a simple table
n
a(n)
1
0
2
0
3
3
4
8
5
12
6
21
7
36
8
52
9
63
10
77
11
120
12
155
13
208
14
297
15
476
16
1015
[0,0,3,8,12,21,36,52,63,77,120,155,208,297,476, 1015]