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A197662
as a simple table
n
a(n)
1
1
2
4
3
21
4
260
5
5402
6
277217
7
26746470
8
4529806572
9
1752572020493
[1,4,21,260,5402,277217,26746470,4529806572, 1752572020493]
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Last modified September 9 18:54 EDT 2024. Contains 375765 sequences. (Running on oeis4.)
