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| n | a(n) |
|---|---|
| 1 | 21 |
| 2 | 30 |
| 3 | 42 |
| 4 | 66 |
| 5 | 70 |
| 6 | 84 |
| 7 | 93 |
| 8 | 102 |
| 9 | 105 |
| 10 | 110 |
| 11 | 138 |
| 12 | 154 |
| 13 | 156 |
| 14 | 165 |
| 15 | 170 |
| 16 | 186 |
| 17 | 210 |
| 18 | 217 |
| 19 | 230 |
| 20 | 231 |
| 21 | 238 |
| 22 | 255 |
| 23 | 273 |
| 24 | 282 |
| 25 | 310 |
| 26 | 318 |
| 27 | 322 |
| 28 | 330 |
| 29 | 336 |
| 30 | 345 |
| 31 | 357 |
| 32 | 364 |
| 33 | 372 |
| 34 | 374 |
| 35 | 381 |
| 36 | 385 |
| 37 | 390 |
| 38 | 399 |
| 39 | 400 |
| 40 | 420 |
| 41 | 426 |
| 42 | 434 |
| 43 | 462 |
| 44 | 465 |
| 45 | 470 |
| 46 | 483 |
| 47 | 506 |
| 48 | 510 |
| 49 | 525 |
| 50 | 530 |
| 51 | 546 |
| 52 | 561 |
| 53 | 570 |
| 54 | 595 |
| 55 | 630 |
| 56 | 642 |
| 57 | 651 |
| 58 | 658 |
| 59 | 660 |
| 60 | 682 |
| 61 | 690 |
| 62 | 705 |
| 63 | 710 |
| 64 | 714 |
[21,30,42,66,70,84,93,102,105,110,138,154,156,165, 170,186,210,217,230,231,238,255,273,282,310,318, 322,330,336,345,357,364,372,374,381,385,390,399, 400,420,426,434,462,465,470,483,506,510,525,530, 546,561,570,595,630,642,651,658,660,682,690,705, 710,714] |