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| n | a(n) |
|---|---|
| 12 | 11 |
| 13 | 66 |
| 14 | 923 |
| 15 | 6761 |
| 16 | 59631 |
| 17 | 430135 |
| 18 | 3286934 |
| 19 | 22973870 |
| 20 | 166443706 |
| 21 | 1140859011 |
| 22 | 8005160811 |
| 23 | 54582972124 |
| 24 | 377341672273 |
| 25 | 2571480311931 |
| 26 | 17687177703846 |
| 27 | 120864485062762 |
| 28 | 832211596826779 |
| 29 | 5716894541334650 |
| 30 | 39541329587796481 |
| 31 | 273544962791156596 |
| 32 | 1904469339140619197 |
[11,66,923,6761,59631,430135,3286934,22973870, 166443706,1140859011,8005160811,54582972124, 377341672273,2571480311931,17687177703846, 120864485062762,832211596826779,5716894541334650, 39541329587796481,273544962791156596, 1904469339140619197] |