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A091167
as a simple table
n
a(n)
1
0
2
3
3
22
4
154
5
1198
6
9810
7
83101
8
720314
9
6356197
10
56882858
11
514765307
12
4700992147
13
43258234871
[0,3,22,154,1198,9810,83101,720314,6356197, 56882858,514765307,4700992147,43258234871]