| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 8 |
| 2 | 11 |
| 3 | 99 |
| 4 | 332 |
| 5 | 1307 |
| 6 | 1667 |
| 7 | 15003 |
| 8 | 44123 |
| 9 | 124379 |
| 10 | 301211 |
| 11 | 256283 |
| 12 | 2306547 |
| 13 | 9713132 |
| 14 | 21143432 |
| 15 | 90878747 |
| 16 | 221435867 |
| 17 | 203504219 |
| 18 | 1831537971 |
| 19 | 379074443 |
| 20 | 3411669987 |
| 21 | 30705029883 |
| 22 | 58930910396 |
| 23 | 530378193564 |
| 24 | 859945288136 |
| 25 | 1869319912307 |
| 26 | 16823879210763 |
| 27 | 45751534640339 |
[3,8,11,99,332,1307,1667,15003,44123,124379, 301211,256283,2306547,9713132,21143432,90878747, 221435867,203504219,1831537971,379074443, 3411669987,30705029883,58930910396,530378193564, 859945288136,1869319912307,16823879210763, 45751534640339] |