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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 15 |
| 5 | 18 |
| 6 | 24 |
| 7 | 32 |
| 8 | 36 |
| 9 | 45 |
| 10 | 55 |
| 11 | 72 |
| 12 | 78 |
| 13 | 84 |
| 14 | 98 |
| 15 | 105 |
| 16 | 112 |
| 17 | 136 |
| 18 | 144 |
| 19 | 152 |
| 20 | 180 |
| 21 | 198 |
| 22 | 220 |
| 23 | 230 |
| 24 | 275 |
| 25 | 336 |
| 26 | 390 |
| 27 | 403 |
| 28 | 462 |
| 29 | 525 |
| 30 | 540 |
| 31 | 608 |
| 32 | 663 |
| 33 | 697 |
| 34 | 756 |
| 35 | 774 |
| 36 | 792 |
| 37 | 836 |
| 38 | 855 |
| 39 | 874 |
| 40 | 940 |
| 41 | 980 |
| 42 | 1050 |
| 43 | 1092 |
| 44 | 1144 |
| 45 | 1166 |
| 46 | 1265 |
| 47 | 1368 |
| 48 | 1392 |
| 49 | 1500 |
| 50 | 1525 |
| 51 | 1586 |
| 52 | 1638 |
| 53 | 1755 |
| 54 | 1782 |
| 55 | 1848 |
| 56 | 1904 |
[1,2,6,15,18,24,32,36,45,55,72,78,84,98,105,112, 136,144,152,180,198,220,230,275,336,390,403,462, 525,540,608,663,697,756,774,792,836,855,874,940, 980,1050,1092,1144,1166,1265,1368,1392,1500,1525, 1586,1638,1755,1782,1848,1904] |