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A207311 as a simple table

n a(n)
1 3
2 81
3 15390
4 21162579
5 205235353935
6 14121763303437256
7 6886304943923084187412
8 23820527297958550757568717516
9 584573521981314585923770355820671056

[3,81,15390,21162579,205235353935,
 14121763303437256,6886304943923084187412,
 23820527297958550757568717516,
 584573521981314585923770355820671056]

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Last modified March 28 22:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)