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A028066 as a simple table

n a(n)
0 1
1 27
2 474
3 6902
4 90867
5 1126545
6 13446028
7 156530604
8 1791797733
9 20274317063
10 227558149182
11 2539586737506
12 28227640438999
13 312844584806781
14 3460030004311536
15 38210322891344408
16 421513875961285065 

[1,27,474,6902,90867,1126545,13446028,156530604,
 1791797733,20274317063,227558149182,2539586737506,
 28227640438999,312844584806781,3460030004311536,
 38210322891344408,421513875961285065]

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Last modified May 17 13:24 EDT 2022. Contains 353746 sequences. (Running on oeis4.)