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| n | a(n) |
|---|---|
| 5 | 14 |
| 6 | 56 |
| 7 | 188 |
| 8 | 603 |
| 9 | 1907 |
| 10 | 5615 |
| 11 | 15968 |
| 12 | 44464 |
| 13 | 121693 |
| 14 | 326937 |
| 15 | 866104 |
| 16 | 2268739 |
| 17 | 5884632 |
| 18 | 15127516 |
| 19 | 38589364 |
| 20 | 97776517 |
| 21 | 246248849 |
| 22 | 616795067 |
| 23 | 1537351460 |
| 24 | 3814809145 |
| 25 | 9427784176 |
| 26 | 23213028624 |
| 27 | 56960216422 |
| 28 | 139330244662 |
| 29 | 339825250768 |
| 30 | 826596931346 |
[14,56,188,603,1907,5615,15968,44464,121693, 326937,866104,2268739,5884632,15127516,38589364, 97776517,246248849,616795067,1537351460, 3814809145,9427784176,23213028624,56960216422, 139330244662,339825250768,826596931346] |