| n | a(n) |
|---|---|
| 1 | 31 |
| 2 | 465 |
| 3 | 1240 |
| 4 | 3720 |
| 5 | 4836 |
| 6 | 18600 |
| 7 | 12400 |
| 8 | 29760 |
| 9 | 33480 |
| 10 | 72540 |
| 11 | 45384 |
| 12 | 148800 |
| 13 | 73780 |
| 14 | 186000 |
| 15 | 193440 |
| 16 | 238080 |
| 17 | 161820 |
| 18 | 502200 |
| 19 | 224440 |
| 20 | 580320 |
| 21 | 496000 |
| 22 | 680760 |
| 23 | 394320 |
| 24 | 1190400 |
| 25 | 604500 |
| 26 | 1106700 |
| 27 | 903960 |
| 28 | 1488000 |
| 29 | 783060 |
| 30 | 2901600 |
| 31 | 954304 |
| 32 | 1904640 |
| 33 | 1815360 |
| 34 | 2427300 |
[31,465,1240,3720,4836,18600,12400,29760,33480, 72540,45384,148800,73780,186000,193440,238080, 161820,502200,224440,580320,496000,680760,394320, 1190400,604500,1106700,903960,1488000,783060, 2901600,954304,1904640,1815360,2427300] |