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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 89 |
| 3 | 127 |
| 4 | 607 |
| 5 | 2203 |
| 6 | 2281 |
| 7 | 3217 |
| 8 | 4253 |
| 9 | 9689 |
| 10 | 9941 |
| 11 | 11213 |
| 12 | 19937 |
| 13 | 21701 |
| 14 | 23209 |
| 15 | 44497 |
| 16 | 86243 |
| 17 | 216091 |
| 18 | 756839 |
| 19 | 859433 |
| 20 | 1257787 |
| 21 | 1398269 |
| 22 | 2976221 |
| 23 | 3021377 |
| 24 | 6972593 |
| 25 | 13466917 |
| 26 | 25964951 |
| 27 | 30402457 |
| 28 | 32582657 |
| 29 | 37156667 |
| 30 | 42643801 |
| 31 | 43112609 |
| 32 | 57885161 |
[2,89,127,607,2203,2281,3217,4253,9689,9941,11213, 19937,21701,23209,44497,86243,216091,756839, 859433,1257787,1398269,2976221,3021377,6972593, 13466917,25964951,30402457,32582657,37156667, 42643801,43112609,57885161] |