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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 746 |
| 3 | 5902 |
| 4 | 46702 |
| 5 | 382996 |
| 6 | 3183932 |
| 7 | 26694774 |
| 8 | 223026806 |
| 9 | 1869037596 |
| 10 | 15673051556 |
| 11 | 131274639250 |
| 12 | 1100535460668 |
| 13 | 9225695626046 |
| 14 | 77312726353080 |
| 15 | 648103682234572 |
| 16 | 5432428499191068 |
| 17 | 45531948090605296 |
| 18 | 381665246488467802 |
[14,746,5902,46702,382996,3183932,26694774, 223026806,1869037596,15673051556,131274639250, 1100535460668,9225695626046,77312726353080, 648103682234572,5432428499191068, 45531948090605296,381665246488467802] |