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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 11 |
| 4 | 19 |
| 5 | 31 |
| 6 | 43 |
| 7 | 163 |
| 8 | 283 |
| 9 | 403 |
| 10 | 1111 |
| 11 | 1123 |
| 12 | 1243 |
| 13 | 1303 |
| 14 | 1549 |
| 15 | 1963 |
| 16 | 4123 |
| 17 | 9643 |
| 18 | 10003 |
| 19 | 11539 |
| 20 | 21431 |
| 21 | 76963 |
| 22 | 97031 |
| 23 | 468109 |
| 24 | 1351963 |
| 25 | 4553323 |
| 26 | 4778471 |
| 27 | 5163139 |
| 28 | 6563551 |
| 29 | 7618843 |
| 30 | 45214123 |
| 31 | 65704243 |
| 32 | 161738803 |
| 33 | 202903723 |
[1,7,11,19,31,43,163,283,403,1111,1123,1243,1303, 1549,1963,4123,9643,10003,11539,21431,76963,97031, 468109,1351963,4553323,4778471,5163139,6563551, 7618843,45214123,65704243,161738803,202903723] |