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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 4 |
| 12 | 5 |
| 13 | 6 |
| 14 | 6 |
| 15 | 7 |
| 16 | 8 |
| 17 | 9 |
| 18 | 11 |
| 19 | 12 |
| 20 | 14 |
| 21 | 15 |
| 22 | 17 |
| 23 | 20 |
| 24 | 22 |
| 25 | 25 |
| 26 | 28 |
| 27 | 31 |
| 28 | 34 |
| 29 | 38 |
| 30 | 43 |
| 31 | 48 |
| 32 | 53 |
| 33 | 58 |
| 34 | 64 |
| 35 | 71 |
| 36 | 79 |
| 37 | 88 |
| 38 | 96 |
| 39 | 105 |
| 40 | 115 |
| 41 | 127 |
| 42 | 140 |
| 43 | 154 |
| 44 | 168 |
| 45 | 183 |
| 46 | 200 |
| 47 | 219 |
| 48 | 240 |
| 49 | 262 |
| 50 | 285 |
| 51 | 310 |
| 52 | 337 |
| 53 | 367 |
| 54 | 400 |
| 55 | 435 |
| 56 | 472 |
| 57 | 511 |
| 58 | 554 |
| 59 | 601 |
| 60 | 652 |
| 61 | 707 |
| 62 | 764 |
| 63 | 825 |
[1,1,1,1,1,2,2,3,3,3,4,5,6,6,7,8,9,11,12,14,15,17, 20,22,25,28,31,34,38,43,48,53,58,64,71,79,88,96, 105,115,127,140,154,168,183,200,219,240,262,285, 310,337,367,400,435,472,511,554,601,652,707,764, 825] |