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A197990 as a simple table

n a(n)
0 1
1 1
2 4
3 27
4 664
5 19375
6 712536
7 31474709
8 1623421808
9 95752130751
10 6356272757680
11 468976366239799
12 38071162011854412
13 3372179632719015287
14 323631920261745650114
15 33452466695808298399785
16 3705187274710433648959456
17 437779689881887196512539391

[1,1,4,27,664,19375,712536,31474709,1623421808,
 95752130751,6356272757680,468976366239799,
 38071162011854412,3372179632719015287,
 323631920261745650114,33452466695808298399785,
 3705187274710433648959456,
 437779689881887196512539391]

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)