A275230 - OEIS

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A275230 as a simple table

n	a(n)
1	8
2	66
3	648
4	6448
5	64248
6	640250
7	6380362
8	63583084
9	633633188
10	6314431394
11	62926066122
12	627085726484
13	6249183090572
14	62275838294858
15	620605922265106
16	6184609012036812
17	61632329405048644
18	614193075180580914

[8,66,648,6448,64248,640250,6380362,63583084, 633633188,6314431394,62926066122,627085726484, 6249183090572,62275838294858,620605922265106, 6184609012036812,61632329405048644, 614193075180580914]