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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 98 |
| 3 | 742 |
| 4 | 4633 |
| 5 | 32911 |
| 6 | 221420 |
| 7 | 1519630 |
| 8 | 10322924 |
| 9 | 70546581 |
| 10 | 480682141 |
| 11 | 3279483836 |
| 12 | 22360879158 |
| 13 | 152513668108 |
| 14 | 1040062673807 |
| 15 | 7093214269529 |
| 16 | 48373908268204 |
| 17 | 329903456068580 |
| 18 | 2249876994245104 |
| 19 | 15343785763900111 |
[16,98,742,4633,32911,221420,1519630,10322924, 70546581,480682141,3279483836,22360879158, 152513668108,1040062673807,7093214269529, 48373908268204,329903456068580,2249876994245104, 15343785763900111] |