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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 64 |
| 3 | 288 |
| 4 | 880 |
| 5 | 2120 |
| 6 | 4368 |
| 7 | 8064 |
| 8 | 13728 |
| 9 | 21960 |
| 10 | 33440 |
| 11 | 48928 |
| 12 | 69264 |
[8,64,288,880,2120,4368,8064,13728,21960,33440, 48928,69264] |