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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 1 |
| 14 | 0 |
| 15 | 0 |
| 16 | 1 |
| 17 | 2 |
| 18 | 1 |
| 19 | 3 |
| 20 | 1 |
| 21 | 2 |
| 22 | 3 |
| 23 | 5 |
| 24 | 2 |
| 25 | 6 |
| 26 | 4 |
| 27 | 6 |
| 28 | 5 |
| 29 | 10 |
| 30 | 4 |
| 31 | 12 |
| 32 | 8 |
| 33 | 10 |
| 34 | 10 |
| 35 | 11 |
| 36 | 8 |
| 37 | 20 |
| 38 | 13 |
| 39 | 15 |
| 40 | 12 |
| 41 | 24 |
| 42 | 12 |
| 43 | 28 |
| 44 | 17 |
| 45 | 20 |
| 46 | 22 |
| 47 | 33 |
| 48 | 18 |
| 49 | 34 |
| 50 | 23 |
| 51 | 31 |
| 52 | 27 |
| 53 | 45 |
| 54 | 25 |
| 55 | 39 |
| 56 | 29 |
| 57 | 42 |
| 58 | 39 |
| 59 | 56 |
| 60 | 28 |
| 61 | 62 |
| 62 | 44 |
| 63 | 47 |
| 64 | 46 |
| 65 | 59 |
| 66 | 39 |
| 67 | 77 |
| 68 | 51 |
| 69 | 65 |
| 70 | 48 |
| 71 | 85 |
| 72 | 48 |
| 73 | 93 |
| 74 | 66 |
| 75 | 71 |
| 76 | 67 |
| 77 | 89 |
| 78 | 60 |
| 79 | 109 |
[0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,2,1,3,1,2,3,5,2, 6,4,6,5,10,4,12,8,10,10,11,8,20,13,15,12,24,12,28, 17,20,22,33,18,34,23,31,27,45,25,39,29,42,39,56, 28,62,44,47,46,59,39,77,51,65,48,85,48,93,66,71, 67,89,60,109] |