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A066206 as a simple table

n a(n)
1 3
2 21
3 273
4 5187
5 150423
6 5565651
7 239322993
8 12684118629
9 773731236369
10 54934917782199
11 4339858504793721
12 386247406926641169
13 39010988099590758069
14 4174175726656211113383
15 471681857112151855812279
16 61790323281691893111408549
17 8588854936155173142485788311

[3,21,273,5187,150423,5565651,239322993,
 12684118629,773731236369,54934917782199,
 4339858504793721,386247406926641169,
 39010988099590758069,4174175726656211113383,
 471681857112151855812279,
 61790323281691893111408549,
 8588854936155173142485788311]

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Last modified July 23 02:44 EDT 2024. Contains 374544 sequences. (Running on oeis4.)