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A360361
as a simple table
n
a(n)
1
0
2
0
3
1
4
4
5
6
6
11
7
18
8
24
9
44
10
58
11
96
12
120
13
210
14
254
[0,0,1,4,6,11,18,24,44,58,96,120,210,254]