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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 144 |
| 3 | 432 |
| 4 | 1296 |
| 5 | 3888 |
| 6 | 11664 |
| 7 | 34992 |
| 8 | 104976 |
| 9 | 314928 |
| 10 | 944784 |
| 11 | 2834352 |
| 12 | 8503056 |
| 13 | 25509168 |
| 14 | 76527504 |
| 15 | 229582512 |
| 16 | 688747536 |
| 17 | 2066242608 |
| 18 | 6198727824 |
| 19 | 18596183472 |
| 20 | 55788550416 |
| 21 | 167365651248 |
| 22 | 502096953744 |
| 23 | 1506290861232 |
| 24 | 4518872583696 |
[12,144,432,1296,3888,11664,34992,104976,314928, 944784,2834352,8503056,25509168,76527504, 229582512,688747536,2066242608,6198727824, 18596183472,55788550416,167365651248,502096953744, 1506290861232,4518872583696] |