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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 112 |
| 3 | 1169 |
| 4 | 10020 |
| 5 | 70243 |
| 6 | 414848 |
| 7 | 2126064 |
| 8 | 9681099 |
| 9 | 39886396 |
| 10 | 150795172 |
| 11 | 528970102 |
| 12 | 1737120632 |
| 13 | 5379657012 |
| 14 | 15806662276 |
| 15 | 44290055378 |
| 16 | 118862126126 |
| 17 | 306675218582 |
| 18 | 763173754851 |
| 19 | 1837012424988 |
| 20 | 4287769072145 |
| 21 | 9726214524190 |
[10,112,1169,10020,70243,414848,2126064,9681099, 39886396,150795172,528970102,1737120632, 5379657012,15806662276,44290055378,118862126126, 306675218582,763173754851,1837012424988, 4287769072145,9726214524190] |