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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 0 |
| 10 | 2 |
| 11 | 0 |
| 12 | 1 |
| 13 | 3 |
| 14 | 2 |
| 15 | 1 |
| 16 | 4 |
| 17 | 0 |
| 18 | 4 |
| 19 | 5 |
| 20 | 5 |
| 21 | 4 |
| 22 | 5 |
| 23 | 5 |
| 24 | 7 |
| 25 | 7 |
| 26 | 10 |
| 27 | 6 |
| 28 | 15 |
| 29 | 10 |
| 30 | 13 |
| 31 | 13 |
| 32 | 14 |
| 33 | 16 |
| 34 | 20 |
| 35 | 18 |
| 36 | 26 |
| 37 | 24 |
| 38 | 29 |
| 39 | 28 |
| 40 | 34 |
| 41 | 27 |
| 42 | 39 |
| 43 | 40 |
| 44 | 47 |
| 45 | 46 |
| 46 | 57 |
| 47 | 55 |
| 48 | 65 |
| 49 | 63 |
| 50 | 75 |
| 51 | 72 |
| 52 | 83 |
| 53 | 85 |
| 54 | 101 |
| 55 | 101 |
| 56 | 117 |
| 57 | 115 |
| 58 | 136 |
| 59 | 134 |
| 60 | 157 |
| 61 | 156 |
| 62 | 170 |
| 63 | 181 |
| 64 | 200 |
| 65 | 197 |
| 66 | 229 |
| 67 | 230 |
[0,0,0,1,0,0,1,1,0,2,0,1,3,2,1,4,0,4,5,5,4,5,5,7, 7,10,6,15,10,13,13,14,16,20,18,26,24,29,28,34,27, 39,40,47,46,57,55,65,63,75,72,83,85,101,101,117, 115,136,134,157,156,170,181,200,197,229,230] |