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| 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] |