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A254717
as a simple table
n
a(n)
0
0
1
12
2
11
3
36
4
99
5
207
6
629
7
3982
8
13216
9
24090
10
65698
11
131076
12
176801
13
2074822
14
5203944
15
3716991
[0,12,11,36,99,207,629,3982,13216,24090,65698, 131076,176801,2074822,5203944,3716991]