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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 17 |
| 3 | 244 |
| 4 | 4801 |
| 5 | 120126 |
| 6 | 3650401 |
| 7 | 130576328 |
| 8 | 5374978561 |
| 9 | 250283080090 |
| 10 | 13007560326001 |
| 11 | 746411226303612 |
| 12 | 46873096812360001 |
| 13 | 3197490648645613334 |
| 14 | 235451028081583642049 |
| 15 | 18614381236112230383376 |
| 16 | 1572584048032918633353217 |
[1,2,17,244,4801,120126,3650401,130576328, 5374978561,250283080090,13007560326001, 746411226303612,46873096812360001, 3197490648645613334,235451028081583642049, 18614381236112230383376,1572584048032918633353217] |