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| n | a(n) |
|---|---|
| 1 | -1 |
| 2 | 0 |
| 3 | 12 |
| 4 | 38 |
| 5 | 54 |
| 6 | 180 |
| 7 | 120 |
| 8 | 457 |
| 9 | 514 |
| 10 | 1006 |
| 11 | 324 |
| 12 | 1764 |
| 13 | 462 |
| 14 | 2816 |
| 15 | 2952 |
| 16 | 4044 |
| 17 | 810 |
| 18 | 6381 |
| 19 | 1020 |
| 20 | 8470 |
| 21 | 7840 |
| 22 | 10924 |
| 23 | 1512 |
| 24 | 15356 |
| 25 | 7724 |
| 26 | 17990 |
| 27 | 14544 |
| 28 | 23168 |
| 29 | 2430 |
| 30 | 30728 |
| 31 | 2784 |
| 32 | 33137 |
| 33 | 29232 |
| 34 | 40066 |
| 35 | 29456 |
| 36 | 52804 |
| 37 | 3990 |
| 38 | 55844 |
| 39 | 47656 |
| 40 | 69102 |
| 41 | 4914 |
| 42 | 84448 |
| 43 | 5412 |
| 44 | 89020 |
[-1,0,12,38,54,180,120,457,514,1006,324,1764,462, 2816,2952,4044,810,6381,1020,8470,7840,10924,1512, 15356,7724,17990,14544,23168,2430,30728,2784, 33137,29232,40066,29456,52804,3990,55844,47656, 69102,4914,84448,5412,89020] |