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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 0 |
| 11 | 1 |
| 12 | 1 |
| 13 | 3 |
| 14 | 3 |
| 15 | 4 |
| 16 | 6 |
| 17 | 3 |
| 18 | 3 |
| 19 | 3 |
| 20 | 0 |
| 21 | 1 |
| 22 | 1 |
| 23 | 4 |
| 24 | 6 |
| 25 | 8 |
| 26 | 13 |
| 27 | 12 |
| 28 | 10 |
| 29 | 12 |
| 30 | 6 |
| 31 | 4 |
| 32 | 4 |
| 33 | 0 |
| 34 | 1 |
| 35 | 1 |
| 36 | 5 |
| 37 | 10 |
| 38 | 15 |
| 39 | 25 |
| 40 | 31 |
| 41 | 30 |
| 42 | 35 |
| 43 | 30 |
| 44 | 20 |
| 45 | 20 |
| 46 | 10 |
| 47 | 5 |
| 48 | 5 |
| 49 | 0 |
| 50 | 1 |
| 51 | 1 |
| 52 | 6 |
| 53 | 15 |
| 54 | 26 |
| 55 | 45 |
| 56 | 66 |
| 57 | 76 |
| 58 | 90 |
| 59 | 96 |
| 60 | 80 |
| 61 | 75 |
| 62 | 60 |
| 63 | 35 |
| 64 | 30 |
| 65 | 15 |
| 66 | 6 |
| 67 | 6 |
| 68 | 0 |
| 69 | 1 |
| 70 | 1 |
| 71 | 7 |
| 72 | 21 |
| 73 | 42 |
| 74 | 77 |
| 75 | 126 |
| 76 | 168 |
| 77 | 211 |
| 78 | 252 |
| 79 | 252 |
| 80 | 245 |
| 81 | 231 |
[1,1,1,0,1,1,2,1,2,2,0,1,1,3,3,4,6,3,3,3,0,1,1,4, 6,8,13,12,10,12,6,4,4,0,1,1,5,10,15,25,31,30,35, 30,20,20,10,5,5,0,1,1,6,15,26,45,66,76,90,96,80, 75,60,35,30,15,6,6,0,1,1,7,21,42,77,126,168,211, 252,252,245,231] |