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A072250
as a simple table
n
a(n)
3
0
4
0
5
2
6
8
7
20
8
41
9
73
10
121
11
186
12
276
13
390
14
540
15
722
16
953
17
1225
18
1561
[0,0,2,8,20,41,73,121,186,276,390,540,722,953, 1225,1561]