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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 88 |
| 4 | 705 |
| 5 | 5643 |
| 6 | 45144 |
| 7 | 361153 |
| 8 | 2889227 |
| 9 | 23113816 |
| 10 | 184910529 |
| 11 | 1479284235 |
| 12 | 11834273880 |
| 13 | 94674191041 |
| 14 | 757393528331 |
| 15 | 6059148226648 |
| 16 | 48473185813185 |
| 17 | 387785486505483 |
| 18 | 3102283892043864 |
[1,11,88,705,5643,45144,361153,2889227,23113816, 184910529,1479284235,11834273880,94674191041, 757393528331,6059148226648,48473185813185, 387785486505483,3102283892043864] |