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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 10 |
| 5 | 20 |
| 6 | 24 |
| 7 | 25 |
| 8 | 26 |
| 9 | 33 |
| 10 | 52 |
| 11 | 62 |
| 12 | 72 |
| 13 | 75 |
| 14 | 150 |
| 15 | 180 |
| 16 | 225 |
| 17 | 226 |
| 18 | 251 |
| 19 | 306 |
| 20 | 399 |
| 21 | 426 |
| 22 | 471 |
| 23 | 486 |
| 24 | 564 |
| 25 | 624 |
| 26 | 668 |
| 27 | 916 |
| 28 | 1152 |
| 29 | 1176 |
| 30 | 1302 |
| 31 | 1536 |
| 32 | 1575 |
| 33 | 1755 |
| 34 | 1935 |
| 35 | 1952 |
| 36 | 1954 |
| 37 | 2016 |
| 38 | 2160 |
| 39 | 2250 |
| 40 | 2340 |
| 41 | 2500 |
| 42 | 2513 |
| 43 | 2700 |
| 44 | 2776 |
| 45 | 2824 |
| 46 | 3328 |
| 47 | 3330 |
| 48 | 3408 |
| 49 | 3459 |
| 50 | 3528 |
[1,2,6,10,20,24,25,26,33,52,62,72,75,150,180,225, 226,251,306,399,426,471,486,564,624,668,916,1152, 1176,1302,1536,1575,1755,1935,1952,1954,2016,2160, 2250,2340,2500,2513,2700,2776,2824,3328,3330,3408, 3459,3528] |