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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 72 |
| 3 | 1000 |
| 4 | 5488 |
| 5 | 53240 |
| 6 | 123032 |
| 7 | 471648 |
| 8 | 823080 |
| 9 | 2141392 |
| 10 | 6828920 |
| 11 | 9533120 |
| 12 | 23097768 |
| 13 | 38595760 |
| 14 | 48976312 |
| 15 | 76413728 |
| 16 | 139348872 |
| 17 | 238239640 |
| 18 | 281456440 |
| 19 | 449941448 |
| 20 | 601290480 |
| 21 | 690894192 |
| 22 | 1025521120 |
| 23 | 1312822952 |
| 24 | 1861118160 |
[8,72,1000,5488,53240,123032,471648,823080, 2141392,6828920,9533120,23097768,38595760, 48976312,76413728,139348872,238239640,281456440, 449941448,601290480,690894192,1025521120, 1312822952,1861118160] |