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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 128 |
| 3 | 1064 |
| 4 | 8592 |
| 5 | 68672 |
| 6 | 546752 |
| 7 | 4346752 |
| 8 | 34537984 |
| 9 | 274370048 |
| 10 | 2179421184 |
| 11 | 17311399936 |
| 12 | 137504870400 |
| 13 | 1092199604224 |
| 14 | 8675313975296 |
| 15 | 68907755405312 |
| 16 | 547332071161856 |
| 17 | 4347440512892928 |
| 18 | 34531574742253568 |
| 19 | 274283140633591808 |
[14,128,1064,8592,68672,546752,4346752,34537984, 274370048,2179421184,17311399936,137504870400, 1092199604224,8675313975296,68907755405312, 547332071161856,4347440512892928, 34531574742253568,274283140633591808] |