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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 2 |
| 15 | 2 |
| 16 | 3 |
| 17 | 4 |
| 18 | 5 |
| 19 | 6 |
| 20 | 7 |
| 21 | 9 |
| 22 | 10 |
| 23 | 12 |
| 24 | 15 |
| 25 | 19 |
| 26 | 24 |
| 27 | 30 |
| 28 | 38 |
| 29 | 46 |
| 30 | 56 |
| 31 | 68 |
| 32 | 83 |
| 33 | 102 |
| 34 | 126 |
| 35 | 157 |
| 36 | 194 |
| 37 | 240 |
| 38 | 296 |
| 39 | 364 |
| 40 | 447 |
| 41 | 549 |
| 42 | 676 |
| 43 | 832 |
| 44 | 1026 |
| 45 | 1266 |
| 46 | 1562 |
| 47 | 1926 |
| 48 | 2373 |
| 49 | 2923 |
| 50 | 3598 |
| 51 | 4430 |
| 52 | 5456 |
| 53 | 6722 |
[1,0,0,0,0,0,0,1,1,1,1,1,1,1,2,2,3,4,5,6,7,9,10, 12,15,19,24,30,38,46,56,68,83,102,126,157,194,240, 296,364,447,549,676,832,1026,1266,1562,1926,2373, 2923,3598,4430,5456,6722] |