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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 46 |
| 3 | 468 |
| 4 | 4999 |
| 5 | 54922 |
| 6 | 614576 |
| 7 | 6966380 |
| 8 | 79724833 |
| 9 | 919145823 |
| 10 | 10659130596 |
| 11 | 124202877644 |
| 12 | 1452984920521 |
| 13 | 17054550898448 |
| 14 | 200751251210208 |
| 15 | 2368901534430588 |
| 16 | 28013703673441877 |
| 17 | 331907593140604813 |
| 18 | 3939074720154676802 |
| 19 | 46819169533672958440 |
| 20 | 557236517853634670494 |
[1,5,46,468,4999,54922,614576,6966380,79724833, 919145823,10659130596,124202877644,1452984920521, 17054550898448,200751251210208,2368901534430588, 28013703673441877,331907593140604813, 3939074720154676802,46819169533672958440, 557236517853634670494] |