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A164985 as a simple table

n a(n)
0 1
1 6
2 27
3 405
4 1458
5 5103
6 59049
7 196830
8 649539
9 6908733
10 22320522
11 71744535
12 731794257
13 2324522934
14 7360989291
15 73222472421
16 230127770466
17 721764371007
18 7060738412025
19 22029503845518
20 68630377364883
21 663426981193869

[1,6,27,405,1458,5103,59049,196830,649539,6908733,
 22320522,71744535,731794257,2324522934,7360989291,
 73222472421,230127770466,721764371007,
 7060738412025,22029503845518,68630377364883,
 663426981193869]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)