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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 10 |
| 4 | 15 |
| 5 | 21 |
| 6 | 31 |
| 7 | 36 |
| 8 | 42 |
| 9 | 45 |
| 10 | 54 |
| 11 | 63 |
| 12 | 73 |
| 13 | 85 |
| 14 | 91 |
| 15 | 109 |
| 16 | 127 |
| 17 | 136 |
| 18 | 146 |
| 19 | 153 |
| 20 | 170 |
| 21 | 173 |
| 22 | 181 |
| 23 | 182 |
| 24 | 187 |
| 25 | 204 |
| 26 | 219 |
| 27 | 221 |
| 28 | 238 |
| 29 | 255 |
| 30 | 273 |
| 31 | 292 |
| 32 | 307 |
| 33 | 341 |
| 34 | 365 |
| 35 | 375 |
| 36 | 409 |
| 37 | 438 |
| 38 | 443 |
| 39 | 477 |
| 40 | 511 |
| 41 | 528 |
| 42 | 546 |
| 43 | 561 |
| 44 | 585 |
| 45 | 594 |
| 46 | 614 |
| 47 | 627 |
| 48 | 660 |
| 49 | 682 |
| 50 | 685 |
| 51 | 693 |
| 52 | 725 |
| 53 | 726 |
| 54 | 731 |
| 55 | 750 |
[3,7,10,15,21,31,36,42,45,54,63,73,85,91,109,127, 136,146,153,170,173,181,182,187,204,219,221,238, 255,273,292,307,341,365,375,409,438,443,477,511, 528,546,561,585,594,614,627,660,682,685,693,725, 726,731,750] |