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A216608
as a simple table
n
a(n)
1
1
2
1
3
2
4
203
5
83437
6
6423127757
7
2043835395791757
8
324446722340564335642246
[1,1,2,203,83437,6423127757,2043835395791757, 324446722340564335642246]