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A220146
as a simple table
n
a(n)
1
3
2
11
3
77
4
1174
5
34959
6
3057777
7
822242009
8
671848868714
[3,11,77,1174,34959,3057777,822242009, 671848868714]
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Last modified December 1 07:48 EST 2023. Contains 367468 sequences. (Running on oeis4.)