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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 17 |
| 4 | 23 |
| 5 | 29 |
| 6 | 31 |
| 7 | 41 |
| 8 | 261 |
| 9 | 353 |
| 10 | 437 |
| 11 | 447 |
| 12 | 591 |
| 13 | 649 |
| 14 | 677 |
| 15 | 1253 |
| 16 | 1301 |
| 17 | 2449 |
| 18 | 9313 |
| 19 | 11749 |
| 20 | 16661 |
| 21 | 25173 |
| 22 | 32887 |
| 23 | 38761 |
| 24 | 67973 |
| 25 | 79557 |
| 26 | 149423 |
| 27 | 173833 |
| 28 | 298679 |
| 29 | 336951 |
| 30 | 684887 |
| 31 | 1199689 |
| 32 | 2357111 |
| 33 | 2602213 |
| 34 | 4687127 |
[1,7,17,23,29,31,41,261,353,437,447,591,649,677, 1253,1301,2449,9313,11749,16661,25173,32887,38761, 67973,79557,149423,173833,298679,336951,684887, 1199689,2357111,2602213,4687127] |