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A302272
as a simple table
n
a(n)
1
0
2
3
3
22
4
89
5
1219
6
15862
7
384916
8
11370253
9
325745362
10
20953111994
[0,3,22,89,1219,15862,384916,11370253,325745362, 20953111994]