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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 31 |
| 3 | 48 |
| 4 | 194 |
| 5 | 445 |
| 6 | 1271 |
| 7 | 3915 |
| 8 | 12420 |
| 9 | 42897 |
| 10 | 158170 |
| 11 | 605532 |
| 12 | 2395817 |
| 13 | 9709409 |
| 14 | 39880121 |
| 15 | 165585758 |
| 16 | 693033415 |
| 17 | 2914777618 |
| 18 | 12305134022 |
| 19 | 52090542883 |
| 20 | 220906709231 |
| 21 | 938079788895 |
| 22 | 3987432050368 |
| 23 | 16960357014483 |
| 24 | 72175348991290 |
[8,31,48,194,445,1271,3915,12420,42897,158170, 605532,2395817,9709409,39880121,165585758, 693033415,2914777618,12305134022,52090542883, 220906709231,938079788895,3987432050368, 16960357014483,72175348991290] |