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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 9 |
| 4 | 21 |
| 5 | 27 |
| 6 | 48 |
| 7 | 144 |
| 8 | 352 |
| 9 | 361 |
| 10 | 4672 |
| 11 | 5904 |
| 12 | 7392 |
| 13 | 15323 |
| 14 | 25488 |
| 15 | 32096 |
| 16 | 55491 |
| 17 | 71712 |
| 18 | 89259 |
| 19 | 101437 |
| 20 | 139776 |
| 21 | 752011 |
| 22 | 2215168 |
| 23 | 5082544 |
| 24 | 6766761 |
[1,3,9,21,27,48,144,352,361,4672,5904,7392,15323, 25488,32096,55491,71712,89259,101437,139776, 752011,2215168,5082544,6766761] |