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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 0 |
| 6 | 2 |
| 7 | 3 |
| 8 | 3 |
| 9 | 0 |
| 10 | 3 |
| 11 | 8 |
| 12 | 6 |
| 13 | 4 |
| 14 | 0 |
| 15 | 5 |
| 16 | 15 |
| 17 | 20 |
| 18 | 10 |
| 19 | 5 |
| 20 | 0 |
| 21 | 8 |
| 22 | 30 |
| 23 | 45 |
| 24 | 40 |
| 25 | 15 |
| 26 | 6 |
| 27 | 0 |
| 28 | 13 |
| 29 | 56 |
| 30 | 105 |
| 31 | 105 |
| 32 | 70 |
| 33 | 21 |
| 34 | 7 |
| 35 | 0 |
| 36 | 21 |
| 37 | 104 |
| 38 | 224 |
| 39 | 280 |
| 40 | 210 |
| 41 | 112 |
| 42 | 28 |
| 43 | 8 |
| 44 | 0 |
| 45 | 34 |
| 46 | 189 |
| 47 | 468 |
| 48 | 672 |
| 49 | 630 |
| 50 | 378 |
| 51 | 168 |
| 52 | 36 |
| 53 | 9 |
| 54 | 0 |
| 55 | 55 |
| 56 | 340 |
| 57 | 945 |
| 58 | 1560 |
| 59 | 1680 |
| 60 | 1260 |
| 61 | 630 |
| 62 | 240 |
| 63 | 45 |
| 64 | 10 |
| 65 | 0 |
[0,1,0,1,2,0,2,3,3,0,3,8,6,4,0,5,15,20,10,5,0,8, 30,45,40,15,6,0,13,56,105,105,70,21,7,0,21,104, 224,280,210,112,28,8,0,34,189,468,672,630,378,168, 36,9,0,55,340,945,1560,1680,1260,630,240,45,10,0] |