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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 92 |
| 4 | 1156 |
| 5 | 15226 |
| 6 | 205990 |
| 7 | 2836590 |
| 8 | 39552570 |
| 9 | 556668807 |
| 10 | 7891281877 |
| 11 | 112509947855 |
| 12 | 1611636640353 |
| 13 | 23175701167135 |
| 14 | 334368287095731 |
| 15 | 4837685812173771 |
| 16 | 70162685549241499 |
| 17 | 1019758730416577463 |
[1,8,92,1156,15226,205990,2836590,39552570, 556668807,7891281877,112509947855,1611636640353, 23175701167135,334368287095731,4837685812173771, 70162685549241499,1019758730416577463] |