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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 88 |
| 4 | 706 |
| 5 | 5649 |
| 6 | 45195 |
| 7 | 361560 |
| 8 | 2892482 |
| 9 | 23139857 |
| 10 | 185118859 |
| 11 | 1480950872 |
| 12 | 11847606978 |
| 13 | 94780855825 |
| 14 | 758246846603 |
| 15 | 6065974772824 |
| 16 | 48527798182594 |
| 17 | 388222385460753 |
| 18 | 3105779083686027 |
| 19 | 24846232669488216 |
| 20 | 198769861355905730 |
| 21 | 1590158890847245841 |
| 22 | 12721271126777966731 |
[1,11,88,706,5649,45195,361560,2892482,23139857, 185118859,1480950872,11847606978,94780855825, 758246846603,6065974772824,48527798182594, 388222385460753,3105779083686027, 24846232669488216,198769861355905730, 1590158890847245841,12721271126777966731] |