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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 151 |
| 3 | 1312 |
| 4 | 11573 |
| 5 | 103021 |
| 6 | 917629 |
| 7 | 8183512 |
| 8 | 73035143 |
| 9 | 652120094 |
| 10 | 5824185148 |
| 11 | 52023964262 |
| 12 | 464740964686 |
| 13 | 4151856643954 |
| 14 | 37092619781999 |
| 15 | 331391103468630 |
| 16 | 2960731960012909 |
| 17 | 26452106167539205 |
| 18 | 236332337698920871 |
[16,151,1312,11573,103021,917629,8183512,73035143, 652120094,5824185148,52023964262,464740964686, 4151856643954,37092619781999,331391103468630, 2960731960012909,26452106167539205, 236332337698920871] |