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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 35 |
| 2 | 779 |
| 3 | 14095 |
| 4 | 226491 |
| 5 | 3373575 |
| 6 | 47712739 |
| 7 | 650313455 |
| 8 | 8625455531 |
| 9 | 112077065815 |
| 10 | 1433487819699 |
| 11 | 18110309247615 |
| 12 | 226591110120571 |
| 13 | 2813231293937255 |
| 14 | 34711873203654659 |
| 15 | 426167229337538575 |
[1,35,779,14095,226491,3373575,47712739,650313455, 8625455531,112077065815,1433487819699, 18110309247615,226591110120571,2813231293937255, 34711873203654659,426167229337538575] |