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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 6 |
| 9 | 5 |
| 10 | 7 |
| 11 | 9 |
| 12 | 9 |
| 13 | 12 |
| 14 | 15 |
| 15 | 16 |
| 16 | 21 |
| 17 | 24 |
| 18 | 26 |
| 19 | 33 |
| 20 | 37 |
| 21 | 42 |
| 22 | 51 |
| 23 | 57 |
| 24 | 65 |
| 25 | 78 |
| 26 | 86 |
| 27 | 99 |
| 28 | 115 |
| 29 | 128 |
| 30 | 146 |
| 31 | 168 |
| 32 | 187 |
| 33 | 213 |
| 34 | 243 |
| 35 | 269 |
| 36 | 306 |
| 37 | 345 |
| 38 | 383 |
| 39 | 433 |
| 40 | 487 |
| 41 | 539 |
| 42 | 607 |
| 43 | 678 |
| 44 | 749 |
| 45 | 842 |
| 46 | 935 |
| 47 | 1033 |
| 48 | 1157 |
| 49 | 1279 |
| 50 | 1413 |
| 51 | 1575 |
| 52 | 1736 |
| 53 | 1916 |
| 54 | 2127 |
| 55 | 2339 |
| 56 | 2579 |
| 57 | 2853 |
[1,1,1,2,1,3,3,3,6,5,7,9,9,12,15,16,21,24,26,33, 37,42,51,57,65,78,86,99,115,128,146,168,187,213, 243,269,306,345,383,433,487,539,607,678,749,842, 935,1033,1157,1279,1413,1575,1736,1916,2127,2339, 2579,2853] |