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A217816
as a simple table
n
a(n)
0
1
1
2
2
16
3
272
4
6531
5
194062
6
6720714
7
261538316
8
11157463902
[1,2,16,272,6531,194062,6720714,261538316, 11157463902]
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Last modified September 21 19:38 EDT 2024. Contains 376089 sequences. (Running on oeis4.)