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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 13 |
| 6 | 29 |
| 7 | 79 |
| 8 | 293 |
| 9 | 1619 |
| 10 | 14947 |
| 11 | 269237 |
| 12 | 11570443 |
| 13 | 1540936027 |
| 14 | 893681319109 |
| 15 | 3513374197622981 |
| 16 | 166491395148719076277 |
| 17 | 201072926144898161374940903 |
| 18 | 16390008340104365722976984827792343 |
| 19 | 320076519482444467256811692239892862140322229 |
| 20 | 7781106039755041703318535124896118983796534882794414187099 |
[2,3,5,7,13,29,79,293,1619,14947,269237,11570443, 1540936027,893681319109,3513374197622981, 166491395148719076277,201072926144898161374940903, 16390008340104365722976984827792343, 320076519482444467256811692239892862140322229, 77811060397550417033185351248961189837965348827944\ 14187099] |