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A371786 as a simple table

n a(n)
0 1
1 4
2 27
3 209
4 1716
5 14553
6 125971
7 1105885
8 9809019
9 87691592
10 788832045
11 7131655908
12 64743390321
13 589808771881
14 5389066722654
15 49365637128655
16 453212161425716
17 4168951499299185
18 38415242186255419
19 354527945536409116
20 3276414018301664025

[1,4,27,209,1716,14553,125971,1105885,9809019,
 87691592,788832045,7131655908,64743390321,
 589808771881,5389066722654,49365637128655,
 453212161425716,4168951499299185,
 38415242186255419,354527945536409116,
 3276414018301664025]

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Last modified September 15 18:36 EDT 2024. Contains 375954 sequences. (Running on oeis4.)