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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 196 |
| 3 | 826 |
| 4 | 3641 |
| 5 | 13863 |
| 6 | 42874 |
| 7 | 139341 |
| 8 | 402498 |
| 9 | 1153962 |
| 10 | 3259098 |
| 11 | 8878431 |
| 12 | 24420005 |
| 13 | 65876246 |
| 14 | 177547567 |
| 15 | 478191946 |
| 16 | 1279250394 |
| 17 | 3433218078 |
| 18 | 9182843871 |
| 19 | 24565794267 |
| 20 | 65742901568 |
| 21 | 175705176107 |
| 22 | 470018725612 |
| 23 | 1256530345118 |
[14,196,826,3641,13863,42874,139341,402498, 1153962,3259098,8878431,24420005,65876246, 177547567,478191946,1279250394,3433218078, 9182843871,24565794267,65742901568,175705176107, 470018725612,1256530345118] |