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A236565
as a simple table
n
a(n)
0
7
1
2
2
0
3
6
4
22
5
838
6
17638
7
192520
8
3240114
9
219476872
10
2146772872
11
24443168392
[7,2,0,6,22,838,17638,192520,3240114,219476872, 2146772872,24443168392]