| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 105 |
| 3 | 1198 |
| 4 | 14506 |
| 5 | 183284 |
| 6 | 2390121 |
| 7 | 31933830 |
| 8 | 434920398 |
| 9 | 6016012236 |
| 10 | 84289034154 |
| 11 | 1193717733900 |
| 12 | 17060985356980 |
| 13 | 245768668712296 |
| 14 | 3564709196133737 |
| 15 | 52015567131639798 |
| 16 | 763050542202081318 |
| 17 | 11246882679872658140 |
| 18 | 166478073780305341390 |
| 19 | 2473696423451621878180 |
[1,10,105,1198,14506,183284,2390121,31933830, 434920398,6016012236,84289034154,1193717733900, 17060985356980,245768668712296,3564709196133737, 52015567131639798,763050542202081318, 11246882679872658140,166478073780305341390, 2473696423451621878180] |