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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 37 |
| 5 | 67 |
| 6 | 127 |
| 7 | 211 |
| 8 | 1999 |
| 9 | 3823 |
| 10 | 5623 |
| 11 | 5779 |
| 12 | 12163 |
| 13 | 17683 |
| 14 | 41227 |
| 15 | 180667 |
| 16 | 186727 |
| 17 | 1901209 |
| 18 | 5176711 |
| 19 | 5830819 |
| 20 | 10593997 |
| 21 | 36065149 |
| 22 | 66423067 |
| 23 | 89635303 |
| 24 | 117961621 |
| 25 | 121703311 |
| 26 | 225511939 |
| 27 | 410967463 |
[2,3,7,37,67,127,211,1999,3823,5623,5779,12163, 17683,41227,180667,186727,1901209,5176711,5830819, 10593997,36065149,66423067,89635303,117961621, 121703311,225511939,410967463] |