| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 9 |
| 5 | 10 |
| 6 | 15 |
| 7 | 20 |
| 8 | 25 |
| 9 | 28 |
| 10 | 35 |
| 11 | 42 |
| 12 | 49 |
| 13 | 55 |
| 14 | 66 |
| 15 | 77 |
| 16 | 88 |
| 17 | 99 |
| 18 | 110 |
| 19 | 121 |
| 20 | 130 |
| 21 | 143 |
| 22 | 156 |
| 23 | 169 |
| 24 | 170 |
| 25 | 187 |
| 26 | 204 |
| 27 | 221 |
| 28 | 238 |
| 29 | 255 |
| 30 | 272 |
| 31 | 289 |
| 32 | 304 |
| 33 | 323 |
| 34 | 342 |
| 35 | 361 |
| 36 | 368 |
| 37 | 391 |
| 38 | 414 |
| 39 | 437 |
| 40 | 460 |
| 41 | 483 |
| 42 | 506 |
| 43 | 529 |
| 44 | 551 |
| 45 | 580 |
| 46 | 609 |
| 47 | 638 |
| 48 | 667 |
| 49 | 696 |
| 50 | 725 |
| 51 | 754 |
| 52 | 783 |
| 53 | 812 |
| 54 | 841 |
| 55 | 868 |
| 56 | 899 |
| 57 | 930 |
[2,4,6,9,10,15,20,25,28,35,42,49,55,66,77,88,99, 110,121,130,143,156,169,170,187,204,221,238,255, 272,289,304,323,342,361,368,391,414,437,460,483, 506,529,551,580,609,638,667,696,725,754,783,812, 841,868,899,930] |