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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 3 |
| 9 | 3 |
| 10 | 5 |
| 11 | 5 |
| 12 | 7 |
| 13 | 7 |
| 14 | 10 |
| 15 | 11 |
| 16 | 14 |
| 17 | 15 |
| 18 | 19 |
| 19 | 22 |
| 20 | 26 |
| 21 | 30 |
| 22 | 35 |
| 23 | 42 |
| 24 | 47 |
| 25 | 56 |
| 26 | 62 |
| 27 | 76 |
| 28 | 83 |
| 29 | 100 |
| 30 | 108 |
| 31 | 132 |
| 32 | 142 |
| 33 | 171 |
| 34 | 184 |
| 35 | 222 |
| 36 | 239 |
| 37 | 284 |
| 38 | 306 |
| 39 | 363 |
| 40 | 394 |
| 41 | 460 |
| 42 | 500 |
| 43 | 581 |
| 44 | 636 |
| 45 | 730 |
| 46 | 802 |
| 47 | 914 |
| 48 | 1010 |
| 49 | 1139 |
| 50 | 1262 |
| 51 | 1415 |
| 52 | 1577 |
| 53 | 1753 |
| 54 | 1956 |
| 55 | 2163 |
| 56 | 2423 |
| 57 | 2663 |
[0,1,1,1,1,1,2,2,3,3,5,5,7,7,10,11,14,15,19,22,26, 30,35,42,47,56,62,76,83,100,108,132,142,171,184, 222,239,284,306,363,394,460,500,581,636,730,802, 914,1010,1139,1262,1415,1577,1753,1956,2163,2423, 2663] |