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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 216 |
| 3 | 339 |
| 4 | 1292 |
| 5 | 6416 |
| 6 | 32813 |
| 7 | 169899 |
| 8 | 885540 |
| 9 | 4617014 |
| 10 | 24074947 |
| 11 | 125562891 |
| 12 | 654899967 |
| 13 | 3415879346 |
| 14 | 17817085346 |
| 15 | 92933586111 |
| 16 | 484741782266 |
| 17 | 2528419901343 |
| 18 | 13188283797088 |
| 19 | 68790359883448 |
| 20 | 358812044639010 |
| 21 | 1871571851010931 |
[14,216,339,1292,6416,32813,169899,885540,4617014, 24074947,125562891,654899967,3415879346, 17817085346,92933586111,484741782266, 2528419901343,13188283797088,68790359883448, 358812044639010,1871571851010931] |