| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 33 |
| 2 | 697 |
| 3 | 12033 |
| 4 | 185353 |
| 5 | 2657361 |
| 6 | 36306649 |
| 7 | 479622561 |
| 8 | 6184444585 |
| 9 | 78342273009 |
| 10 | 979414153081 |
| 11 | 12123907404609 |
| 12 | 148962749140297 |
| 13 | 1819935176767377 |
| 14 | 22139457629549593 |
| 15 | 268445978800100577 |
[1,33,697,12033,185353,2657361,36306649,479622561, 6184444585,78342273009,979414153081, 12123907404609,148962749140297,1819935176767377, 22139457629549593,268445978800100577] |