| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 9 |
| 4 | 10 |
| 5 | 15 |
| 6 | 25 |
| 7 | 26 |
| 8 | 31 |
| 9 | 39 |
| 10 | 41 |
| 11 | 49 |
| 12 | 65 |
| 13 | 71 |
| 14 | 74 |
| 15 | 79 |
| 16 | 86 |
| 17 | 89 |
| 18 | 106 |
| 19 | 111 |
| 20 | 121 |
| 21 | 129 |
| 22 | 134 |
| 23 | 151 |
| 24 | 159 |
| 25 | 166 |
| 26 | 169 |
| 27 | 185 |
| 28 | 191 |
| 29 | 199 |
| 30 | 201 |
| 31 | 214 |
| 32 | 215 |
| 33 | 239 |
| 34 | 241 |
| 35 | 249 |
| 36 | 265 |
| 37 | 271 |
| 38 | 281 |
| 39 | 289 |
| 40 | 311 |
| 41 | 314 |
| 42 | 321 |
| 43 | 326 |
| 44 | 335 |
| 45 | 346 |
| 46 | 359 |
| 47 | 361 |
| 48 | 394 |
| 49 | 401 |
| 50 | 409 |
| 51 | 415 |
| 52 | 431 |
| 53 | 439 |
| 54 | 449 |
| 55 | 454 |
| 56 | 471 |
| 57 | 479 |
| 58 | 481 |
| 59 | 489 |
[4,6,9,10,15,25,26,31,39,41,49,65,71,74,79,86,89, 106,111,121,129,134,151,159,166,169,185,191,199, 201,214,215,239,241,249,265,271,281,289,311,314, 321,326,335,346,359,361,394,401,409,415,431,439, 449,454,471,479,481,489] |