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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 88 |
| 4 | 1038 |
| 5 | 12212 |
| 6 | 145150 |
| 7 | 1728734 |
| 8 | 20614702 |
| 9 | 245896061 |
| 10 | 2933505447 |
| 11 | 34997746793 |
| 12 | 417542364526 |
| 13 | 4981538616301 |
| 14 | 59432971386326 |
| 15 | 709074352774052 |
| 16 | 8459725853179692 |
| 17 | 100930145043164198 |
| 18 | 1204163804664423408 |
[1,10,88,1038,12212,145150,1728734,20614702, 245896061,2933505447,34997746793,417542364526, 4981538616301,59432971386326,709074352774052, 8459725853179692,100930145043164198, 1204163804664423408] |