| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 29 |
| 3 | 609 |
| 4 | 20857 |
| 5 | 997671 |
| 6 | 61114409 |
| 7 | 4548317073 |
| 8 | 397323349505 |
| 9 | 39774233809179 |
| 10 | 4483232458612245 |
| 11 | 561425116837715457 |
| 12 | 77289022946177141161 |
| 13 | 11597365849594347661839 |
| 14 | 1883429636306366952452433 |
| 15 | 329083700898584984268782241 |
| 16 | 61549497773760817234065857793 |
| 17 | 12268604214374346472111552473267 |
[1,3,29,609,20857,997671,61114409,4548317073, 397323349505,39774233809179,4483232458612245, 561425116837715457,77289022946177141161, 11597365849594347661839,1883429636306366952452433, 329083700898584984268782241, 61549497773760817234065857793, 12268604214374346472111552473267] |