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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 21 |
| 3 | 33 |
| 4 | 35 |
| 5 | 39 |
| 6 | 51 |
| 7 | 55 |
| 8 | 57 |
| 9 | 65 |
| 10 | 69 |
| 11 | 77 |
| 12 | 85 |
| 13 | 91 |
| 14 | 95 |
| 15 | 115 |
| 16 | 119 |
| 17 | 133 |
| 18 | 143 |
| 19 | 145 |
| 20 | 155 |
| 21 | 161 |
| 22 | 187 |
| 23 | 203 |
| 24 | 209 |
| 25 | 217 |
| 26 | 221 |
| 27 | 247 |
| 28 | 253 |
| 29 | 259 |
| 30 | 299 |
| 31 | 319 |
| 32 | 323 |
| 33 | 341 |
| 34 | 377 |
| 35 | 391 |
| 36 | 403 |
| 37 | 407 |
| 38 | 437 |
| 39 | 451 |
| 40 | 473 |
| 41 | 481 |
| 42 | 493 |
| 43 | 517 |
| 44 | 527 |
| 45 | 533 |
| 46 | 551 |
| 47 | 559 |
| 48 | 583 |
| 49 | 589 |
| 50 | 611 |
| 51 | 629 |
| 52 | 667 |
[15,21,33,35,39,51,55,57,65,69,77,85,91,95,115, 119,133,143,145,155,161,187,203,209,217,221,247, 253,259,299,319,323,341,377,391,403,407,437,451, 473,481,493,517,527,533,551,559,583,589,611,629, 667] |