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A139181
as a simple table
n
a(n)
1
2
2
415456
3
1575516
4
793709
5
423271
6
1271128
7
1278133
8
1482407
9
10
10
1721634
11
0
[2,415456,1575516,793709,423271,1271128,1278133, 1482407,10,1721634,0]