| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 0 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 3 |
| 12 | 2 |
| 13 | 3 |
| 14 | 4 |
| 15 | 4 |
| 16 | 4 |
| 17 | 5 |
| 18 | 6 |
| 19 | 7 |
| 20 | 7 |
| 21 | 8 |
| 22 | 8 |
| 23 | 11 |
| 24 | 11 |
| 25 | 12 |
| 26 | 13 |
| 27 | 14 |
| 28 | 16 |
| 29 | 19 |
| 30 | 19 |
| 31 | 22 |
| 32 | 22 |
| 33 | 26 |
| 34 | 28 |
| 35 | 31 |
| 36 | 33 |
| 37 | 36 |
| 38 | 40 |
| 39 | 45 |
| 40 | 46 |
| 41 | 52 |
| 42 | 54 |
| 43 | 61 |
| 44 | 66 |
| 45 | 71 |
| 46 | 76 |
| 47 | 83 |
| 48 | 90 |
| 49 | 99 |
| 50 | 104 |
| 51 | 114 |
| 52 | 120 |
| 53 | 133 |
| 54 | 142 |
| 55 | 153 |
| 56 | 164 |
| 57 | 176 |
| 58 | 190 |
| 59 | 207 |
| 60 | 218 |
| 61 | 237 |
| 62 | 250 |
| 63 | 273 |
| 64 | 291 |
| 65 | 312 |
[1,0,1,0,1,1,1,1,1,2,2,2,3,2,3,4,4,4,5,6,7,7,8,8, 11,11,12,13,14,16,19,19,22,22,26,28,31,33,36,40, 45,46,52,54,61,66,71,76,83,90,99,104,114,120,133, 142,153,164,176,190,207,218,237,250,273,291,312] |