| n | a(n) |
|---|---|
| 0 | 27 |
| 1 | 28 |
| 2 | 83 |
| 3 | 858 |
| 4 | 941 |
| 5 | 2740 |
| 6 | 3681 |
| 7 | 13783 |
| 8 | 17464 |
| 9 | 31247 |
| 10 | 548663 |
| 11 | 579910 |
| 12 | 5187943 |
| 13 | 16143739 |
| 14 | 21331682 |
| 15 | 37475421 |
| 16 | 96282524 |
| 17 | 133757945 |
| 18 | 363798414 |
| 19 | 1952750015 |
| 20 | 10127548489 |
| 21 | 12080298504 |
| 22 | 324215309593 |
[27,28,83,858,941,2740,3681,13783,17464,31247, 548663,579910,5187943,16143739,21331682,37475421, 96282524,133757945,363798414,1952750015, 10127548489,12080298504,324215309593] |