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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 45 |
| 3 | 158 |
| 4 | 579 |
| 5 | 2165 |
| 6 | 8173 |
| 7 | 30991 |
| 8 | 117755 |
| 9 | 447850 |
| 10 | 1704019 |
| 11 | 6484899 |
| 12 | 24681529 |
| 13 | 93941906 |
| 14 | 357565151 |
| 15 | 1360989974 |
| 16 | 5180318659 |
| 17 | 19717818240 |
| 18 | 75051888869 |
| 19 | 285669958665 |
| 20 | 1087345593405 |
| 21 | 4138764004397 |
| 22 | 15753379857391 |
| 23 | 59962100096460 |
[14,45,158,579,2165,8173,30991,117755,447850, 1704019,6484899,24681529,93941906,357565151, 1360989974,5180318659,19717818240,75051888869, 285669958665,1087345593405,4138764004397, 15753379857391,59962100096460] |