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| n | a(n) |
|---|---|
| 9 | 55 |
| 10 | 726 |
| 11 | 5148 |
| 12 | 26026 |
| 13 | 105105 |
| 14 | 360360 |
| 15 | 1089088 |
| 16 | 2975544 |
| 17 | 7482618 |
| 18 | 17551820 |
| 19 | 38798760 |
| 20 | 81477396 |
| 21 | 163601438 |
| 22 | 315762216 |
| 23 | 588376800 |
| 24 | 1062347000 |
| 25 | 1864418985 |
| 26 | 3188915730 |
| 27 | 5327982660 |
| 28 | 8713054350 |
| 29 | 13970931975 |
| 30 | 21998673840 |
| 31 | 34062462720 |
| 32 | 51926743440 |
| 33 | 78021243300 |
[55,726,5148,26026,105105,360360,1089088,2975544, 7482618,17551820,38798760,81477396,163601438, 315762216,588376800,1062347000,1864418985, 3188915730,5327982660,8713054350,13970931975, 21998673840,34062462720,51926743440,78021243300] |