| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 11 |
| 3 | 118 |
| 4 | 3064 |
| 5 | 50756 |
| 6 | 1568581 |
| 7 | 27938412 |
| 8 | 910553970 |
| 9 | 16647316316 |
| 10 | 551914186148 |
| 11 | 10180609471340 |
| 12 | 339439301518229 |
| 13 | 6279666522727666 |
| 14 | 209771594999934567 |
| 15 | 3884604465117791769 |
| 16 | 129847000561403735665 |
| 17 | 2405329201014983786851 |
[1,11,118,3064,50756,1568581,27938412,910553970, 16647316316,551914186148,10180609471340, 339439301518229,6279666522727666, 209771594999934567,3884604465117791769, 129847000561403735665,2405329201014983786851] |