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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 259 |
| 3 | 12916 |
| 4 | 1057221 |
| 5 | 128816766 |
| 6 | 21878089479 |
| 7 | 4940831601000 |
| 8 | 1432009163039625 |
| 9 | 518142759828635250 |
| 10 | 228929627246078500875 |
| 11 | 121292816354463333793500 |
| 12 | 75908014254880833434338125 |
| 13 | 55399444912646408707007883750 |
| 14 | 46636497509226736668824289999375 |
[1,10,259,12916,1057221,128816766,21878089479, 4940831601000,1432009163039625,518142759828635250, 228929627246078500875,121292816354463333793500, 75908014254880833434338125, 55399444912646408707007883750, 46636497509226736668824289999375] |