| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 2 |
| 11 | 4 |
| 12 | 3 |
| 13 | 4 |
| 14 | 5 |
| 15 | 5 |
| 16 | 5 |
| 17 | 8 |
| 18 | 7 |
| 19 | 8 |
| 20 | 10 |
| 21 | 10 |
| 22 | 11 |
| 23 | 15 |
| 24 | 14 |
| 25 | 16 |
| 26 | 19 |
| 27 | 20 |
| 28 | 21 |
| 29 | 27 |
| 30 | 26 |
| 31 | 30 |
| 32 | 35 |
| 33 | 36 |
| 34 | 39 |
| 35 | 47 |
| 36 | 47 |
| 37 | 52 |
| 38 | 60 |
| 39 | 63 |
| 40 | 68 |
| 41 | 80 |
| 42 | 81 |
| 43 | 90 |
| 44 | 101 |
| 45 | 106 |
| 46 | 114 |
| 47 | 132 |
| 48 | 135 |
| 49 | 148 |
| 50 | 165 |
| 51 | 174 |
| 52 | 187 |
| 53 | 212 |
| 54 | 219 |
| 55 | 239 |
| 56 | 264 |
| 57 | 279 |
| 58 | 299 |
| 59 | 334 |
| 60 | 348 |
| 61 | 377 |
| 62 | 414 |
| 63 | 438 |
[1,0,0,1,1,1,2,1,2,2,2,2,4,3,4,5,5,5,8,7,8,10,10, 11,15,14,16,19,20,21,27,26,30,35,36,39,47,47,52, 60,63,68,80,81,90,101,106,114,132,135,148,165,174, 187,212,219,239,264,279,299,334,348,377,414,438] |