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| n | a(n) |
|---|---|
| 1 | 21 |
| 2 | 27 |
| 3 | 33 |
| 4 | 60 |
| 5 | 117 |
| 6 | 153 |
| 7 | 222 |
| 8 | 228 |
| 9 | 306 |
| 10 | 426 |
| 11 | 480 |
| 12 | 495 |
| 13 | 558 |
| 14 | 585 |
| 15 | 615 |
| 16 | 636 |
| 17 | 669 |
| 18 | 684 |
| 19 | 762 |
| 20 | 768 |
| 21 | 819 |
| 22 | 852 |
| 23 | 894 |
| 24 | 909 |
| 25 | 1083 |
| 26 | 1125 |
| 27 | 1131 |
| 28 | 1224 |
| 29 | 1239 |
| 30 | 1341 |
| 31 | 1455 |
| 32 | 1512 |
| 33 | 1539 |
| 34 | 1776 |
| 35 | 1812 |
| 36 | 1845 |
| 37 | 2301 |
| 38 | 2484 |
| 39 | 2517 |
| 40 | 2541 |
| 41 | 2604 |
| 42 | 2706 |
| 43 | 2769 |
| 44 | 3093 |
| 45 | 3177 |
[21,27,33,60,117,153,222,228,306,426,480,495,558, 585,615,636,669,684,762,768,819,852,894,909,1083, 1125,1131,1224,1239,1341,1455,1512,1539,1776,1812, 1845,2301,2484,2517,2541,2604,2706,2769,3093,3177] |