| 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 | 87 |
| 14 | 91 |
| 15 | 93 |
| 16 | 95 |
| 17 | 105 |
| 18 | 111 |
| 19 | 115 |
| 20 | 119 |
| 21 | 123 |
| 22 | 129 |
| 23 | 133 |
| 24 | 141 |
| 25 | 143 |
| 26 | 145 |
| 27 | 155 |
| 28 | 159 |
| 29 | 161 |
| 30 | 165 |
| 31 | 177 |
| 32 | 183 |
| 33 | 185 |
| 34 | 187 |
| 35 | 195 |
| 36 | 201 |
| 37 | 203 |
| 38 | 205 |
| 39 | 209 |
| 40 | 213 |
| 41 | 215 |
| 42 | 217 |
| 43 | 219 |
| 44 | 221 |
| 45 | 231 |
| 46 | 235 |
| 47 | 237 |
| 48 | 247 |
| 49 | 249 |
| 50 | 253 |
| 51 | 255 |
| 52 | 259 |
| 53 | 265 |
| 54 | 267 |
| 55 | 273 |
[15,21,33,35,39,51,55,57,65,69,77,85,87,91,93,95, 105,111,115,119,123,129,133,141,143,145,155,159, 161,165,177,183,185,187,195,201,203,205,209,213, 215,217,219,221,231,235,237,247,249,253,255,259, 265,267,273] |