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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 86 |
| 3 | 596 |
| 4 | 3896 |
| 5 | 24656 |
| 6 | 153056 |
| 7 | 938816 |
| 8 | 5714816 |
| 9 | 34616576 |
| 10 | 209010176 |
| 11 | 1259303936 |
| 12 | 7576795136 |
| 13 | 45544656896 |
| 14 | 273603485696 |
| 15 | 1642963091456 |
| 16 | 9863147257856 |
| 17 | 59200358383616 |
| 18 | 355288049647616 |
| 19 | 2132071895269376 |
| 20 | 12793805761150976 |
| 21 | 76768332125044736 |
| 22 | 460631982982823936 |
[1,11,86,596,3896,24656,153056,938816,5714816, 34616576,209010176,1259303936,7576795136, 45544656896,273603485696,1642963091456, 9863147257856,59200358383616,355288049647616, 2132071895269376,12793805761150976, 76768332125044736,460631982982823936] |