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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 13 |
| 3 | 793 |
| 4 | 1943 |
| 5 | 150341 |
| 6 | 183793 |
| 7 | 2348789 |
| 8 | 26052527 |
| 9 | 27982637 |
| 10 | 54789869 |
| 11 | 1588344433 |
| 12 | 3928538029 |
| 13 | 8115802931 |
| 14 | 16936276919 |
| 15 | 17786709541 |
| 16 | 47778790033 |
| 17 | 973094452518029 |
[1,13,793,1943,150341,183793,2348789,26052527, 27982637,54789869,1588344433,3928538029, 8115802931,16936276919,17786709541,47778790033, 973094452518029] |