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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 May 10 10:53 EDT 2024. Contains 372377 sequences. (Running on oeis4.)