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A316240
as a simple table
n
a(n)
1
1
2
4
3
23
4
835
5
99193
6
32646098
7
30308496367
8
76005434762214
9
524741664012440114
[1,4,23,835,99193,32646098,30308496367, 76005434762214,524741664012440114]