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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 53 |
| 3 | 230 |
| 4 | 1721 |
| 5 | 6307 |
| 6 | 35880 |
| 7 | 183400 |
| 8 | 763750 |
| 9 | 4110488 |
| 10 | 18352240 |
| 11 | 83810292 |
| 12 | 417928329 |
| 13 | 1791097147 |
| 14 | 8714733830 |
| 15 | 40609374842 |
| 16 | 179584055937 |
[14,53,230,1721,6307,35880,183400,763750,4110488, 18352240,83810292,417928329,1791097147,8714733830, 40609374842,179584055937] |