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| n | a(n) |
|---|---|
| 1 | 36 |
| 2 | 120 |
| 3 | 780 |
| 4 | 1596 |
| 5 | 1830 |
| 6 | 10440 |
| 7 | 12090 |
| 8 | 20706 |
| 9 | 22578 |
| 10 | 23436 |
| 11 | 34716 |
| 12 | 75466 |
| 13 | 101926 |
| 14 | 107880 |
| 15 | 115440 |
| 16 | 154290 |
| 17 | 191890 |
| 18 | 207690 |
| 19 | 231540 |
| 20 | 261726 |
| 21 | 271216 |
| 22 | 310866 |
| 23 | 313236 |
| 24 | 319600 |
| 25 | 384126 |
| 26 | 408156 |
| 27 | 512578 |
| 28 | 558096 |
| 29 | 653796 |
| 30 | 768180 |
| 31 | 824970 |
| 32 | 936396 |
| 33 | 1094460 |
[36,120,780,1596,1830,10440,12090,20706,22578, 23436,34716,75466,101926,107880,115440,154290, 191890,207690,231540,261726,271216,310866,313236, 319600,384126,408156,512578,558096,653796,768180, 824970,936396,1094460] |