| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 33 |
| 3 | 39 |
| 4 | 45 |
| 5 | 75 |
| 6 | 81 |
| 7 | 85 |
| 8 | 93 |
| 9 | 115 |
| 10 | 117 |
| 11 | 123 |
| 12 | 133 |
| 13 | 141 |
| 14 | 145 |
| 15 | 169 |
| 16 | 183 |
| 17 | 185 |
| 18 | 187 |
| 19 | 195 |
| 20 | 205 |
| 21 | 207 |
| 22 | 209 |
| 23 | 213 |
| 24 | 231 |
| 25 | 243 |
| 26 | 247 |
| 27 | 259 |
| 28 | 261 |
| 29 | 273 |
| 30 | 275 |
| 31 | 287 |
| 32 | 289 |
| 33 | 295 |
| 34 | 299 |
| 35 | 301 |
| 36 | 315 |
| 37 | 321 |
| 38 | 325 |
| 39 | 333 |
| 40 | 335 |
| 41 | 339 |
| 42 | 343 |
| 43 | 363 |
| 44 | 365 |
| 45 | 385 |
| 46 | 387 |
| 47 | 391 |
| 48 | 395 |
| 49 | 427 |
| 50 | 477 |
| 51 | 505 |
| 52 | 517 |
| 53 | 527 |
[15,33,39,45,75,81,85,93,115,117,123,133,141,145, 169,183,185,187,195,205,207,209,213,231,243,247, 259,261,273,275,287,289,295,299,301,315,321,325, 333,335,339,343,363,365,385,387,391,395,427,477, 505,517,527] |