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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 6 |
| 9 | 8 |
| 10 | 10 |
| 11 | 12 |
| 12 | 15 |
| 13 | 18 |
| 14 | 22 |
| 15 | 26 |
| 16 | 31 |
| 17 | 36 |
| 18 | 43 |
| 19 | 50 |
| 20 | 58 |
| 21 | 68 |
| 22 | 78 |
| 23 | 90 |
| 24 | 103 |
| 25 | 118 |
| 26 | 134 |
| 27 | 153 |
| 28 | 173 |
| 29 | 195 |
| 30 | 220 |
| 31 | 247 |
| 32 | 277 |
| 33 | 310 |
| 34 | 346 |
| 35 | 385 |
| 36 | 429 |
| 37 | 475 |
| 38 | 526 |
| 39 | 582 |
| 40 | 642 |
| 41 | 707 |
| 42 | 778 |
| 43 | 854 |
| 44 | 936 |
| 45 | 1026 |
| 46 | 1121 |
| 47 | 1224 |
| 48 | 1335 |
| 49 | 1454 |
| 50 | 1581 |
| 51 | 1718 |
| 52 | 1864 |
| 53 | 2020 |
| 54 | 2188 |
| 55 | 2366 |
| 56 | 2556 |
[1,1,1,2,2,3,4,5,6,8,10,12,15,18,22,26,31,36,43, 50,58,68,78,90,103,118,134,153,173,195,220,247, 277,310,346,385,429,475,526,582,642,707,778,854, 936,1026,1121,1224,1335,1454,1581,1718,1864,2020, 2188,2366,2556] |