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A074022
as a simple table
n
a(n)
1
0
2
0
3
13
4
42
5
350
6
2352
7
16807
8
117992
9
823200
10
5764801
11
40356008
12
282458442
[0,0,13,42,350,2352,16807,117992,823200,5764801, 40356008,282458442]