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| n | a(n) |
|---|---|
| 14 | 1 |
| 15 | 15 |
| 16 | 144 |
| 17 | 1115 |
| 18 | 7509 |
| 19 | 45864 |
| 20 | 261185 |
| 21 | 1412742 |
| 22 | 7350116 |
| 23 | 37106514 |
| 24 | 182907585 |
| 25 | 884290974 |
| 26 | 4207172844 |
| 27 | 19747711113 |
| 28 | 91627676418 |
| 29 | 420914259695 |
| 30 | 1916722429108 |
| 31 | 8660949017183 |
| 32 | 38866735108620 |
| 33 | 173341678278027 |
| 34 | 768774806179919 |
| 35 | 3392247359157876 |
| 36 | 14899045118613987 |
[1,15,144,1115,7509,45864,261185,1412742,7350116, 37106514,182907585,884290974,4207172844, 19747711113,91627676418,420914259695, 1916722429108,8660949017183,38866735108620, 173341678278027,768774806179919,3392247359157876, 14899045118613987] |