| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 21 |
| 3 | 43 |
| 4 | 49 |
| 5 | 61 |
| 6 | 63 |
| 7 | 69 |
| 8 | 73 |
| 9 | 87 |
| 10 | 109 |
| 11 | 127 |
| 12 | 147 |
| 13 | 159 |
| 14 | 169 |
| 15 | 171 |
| 16 | 201 |
| 17 | 207 |
| 18 | 213 |
| 19 | 217 |
| 20 | 229 |
| 21 | 241 |
| 22 | 261 |
| 23 | 289 |
| 24 | 291 |
| 25 | 331 |
| 26 | 339 |
| 27 | 357 |
| 28 | 369 |
| 29 | 381 |
| 30 | 397 |
| 31 | 409 |
| 32 | 469 |
| 33 | 471 |
| 34 | 483 |
| 35 | 487 |
| 36 | 507 |
| 37 | 519 |
| 38 | 549 |
| 39 | 591 |
| 40 | 607 |
| 41 | 621 |
| 42 | 639 |
| 43 | 663 |
| 44 | 669 |
| 45 | 697 |
| 46 | 703 |
| 47 | 711 |
| 48 | 717 |
| 49 | 729 |
| 50 | 747 |
[9,21,43,49,61,63,69,73,87,109,127,147,159,169, 171,201,207,213,217,229,241,261,289,291,331,339, 357,369,381,397,409,469,471,483,487,507,519,549, 591,607,621,639,663,669,697,703,711,717,729,747] |