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A207393 as a simple table

n a(n)
1 8
2 64
3 200
4 643
5 2356
6 7561
7 23071
8 72410
9 223804
10 678174
11 2060069
12 6253794
13 18886989
14 56994221
15 172026022
16 518680170
17 1563104966
18 4710798095
19 14194683842
20 42764679095
21 128836561789
22 388135277342
23 1169254115920
24 3522329560926

[8,64,200,643,2356,7561,23071,72410,223804,678174,
 2060069,6253794,18886989,56994221,172026022,
 518680170,1563104966,4710798095,14194683842,
 42764679095,128836561789,388135277342,
 1169254115920,3522329560926]

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Last modified May 4 13:55 EDT 2024. Contains 372243 sequences. (Running on oeis4.)