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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 9 |
| 4 | 10 |
| 5 | 15 |
| 6 | 22 |
| 7 | 25 |
| 8 | 33 |
| 9 | 46 |
| 10 | 55 |
| 11 | 58 |
| 12 | 69 |
| 13 | 82 |
| 14 | 87 |
| 15 | 106 |
| 16 | 115 |
| 17 | 121 |
| 18 | 123 |
| 19 | 145 |
| 20 | 159 |
| 21 | 166 |
| 22 | 178 |
| 23 | 205 |
| 24 | 226 |
| 25 | 249 |
| 26 | 253 |
| 27 | 262 |
| 28 | 265 |
| 29 | 267 |
| 30 | 319 |
| 31 | 339 |
| 32 | 346 |
| 33 | 358 |
| 34 | 382 |
| 35 | 393 |
| 36 | 415 |
| 37 | 445 |
| 38 | 451 |
| 39 | 466 |
| 40 | 478 |
| 41 | 502 |
| 42 | 519 |
| 43 | 529 |
| 44 | 537 |
| 45 | 562 |
| 46 | 565 |
| 47 | 573 |
| 48 | 583 |
| 49 | 586 |
| 50 | 655 |
| 51 | 667 |
| 52 | 699 |
| 53 | 717 |
| 54 | 718 |
| 55 | 753 |
| 56 | 838 |
[4,6,9,10,15,22,25,33,46,55,58,69,82,87,106,115, 121,123,145,159,166,178,205,226,249,253,262,265, 267,319,339,346,358,382,393,415,445,451,466,478, 502,519,529,537,562,565,573,583,586,655,667,699, 717,718,753,838] |