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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 19 |
| 3 | 31 |
| 4 | 43 |
| 5 | 103 |
| 6 | 139 |
| 7 | 151 |
| 8 | 199 |
| 9 | 271 |
| 10 | 283 |
| 11 | 463 |
| 12 | 523 |
| 13 | 571 |
| 14 | 619 |
| 15 | 643 |
| 16 | 811 |
| 17 | 823 |
| 18 | 859 |
| 19 | 883 |
| 20 | 1051 |
| 21 | 1063 |
| 22 | 1231 |
| 23 | 1279 |
| 24 | 1291 |
| 25 | 1303 |
| 26 | 1483 |
| 27 | 1699 |
| 28 | 1723 |
| 29 | 1879 |
| 30 | 1951 |
| 31 | 1999 |
| 32 | 2083 |
| 33 | 2131 |
| 34 | 2143 |
| 35 | 2239 |
| 36 | 2311 |
| 37 | 2383 |
| 38 | 2551 |
| 39 | 2659 |
| 40 | 2731 |
| 41 | 2791 |
| 42 | 2803 |
| 43 | 2971 |
[7,19,31,43,103,139,151,199,271,283,463,523,571, 619,643,811,823,859,883,1051,1063,1231,1279,1291, 1303,1483,1699,1723,1879,1951,1999,2083,2131,2143, 2239,2311,2383,2551,2659,2731,2791,2803,2971] |