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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 2 |
| 7 | 1 |
| 8 | 3 |
| 9 | 3 |
| 10 | 3 |
| 11 | 3 |
| 12 | 4 |
| 13 | 5 |
| 14 | 5 |
| 15 | 7 |
| 16 | 8 |
| 17 | 8 |
| 18 | 9 |
| 19 | 10 |
| 20 | 13 |
| 21 | 15 |
| 22 | 14 |
| 23 | 17 |
| 24 | 20 |
| 25 | 23 |
| 26 | 24 |
| 27 | 26 |
| 28 | 31 |
| 29 | 34 |
| 30 | 38 |
| 31 | 41 |
| 32 | 46 |
| 33 | 52 |
| 34 | 55 |
| 35 | 62 |
| 36 | 70 |
| 37 | 75 |
| 38 | 82 |
| 39 | 90 |
| 40 | 103 |
| 41 | 112 |
| 42 | 118 |
| 43 | 131 |
| 44 | 145 |
| 45 | 161 |
| 46 | 172 |
| 47 | 185 |
| 48 | 208 |
| 49 | 225 |
| 50 | 244 |
| 51 | 265 |
| 52 | 288 |
| 53 | 316 |
| 54 | 339 |
| 55 | 370 |
| 56 | 404 |
| 57 | 435 |
| 58 | 469 |
| 59 | 507 |
| 60 | 557 |
| 61 | 601 |
| 62 | 640 |
| 63 | 696 |
| 64 | 755 |
| 65 | 818 |
[1,1,0,1,1,2,2,1,3,3,3,3,4,5,5,7,8,8,9,10,13,15, 14,17,20,23,24,26,31,34,38,41,46,52,55,62,70,75, 82,90,103,112,118,131,145,161,172,185,208,225,244, 265,288,316,339,370,404,435,469,507,557,601,640, 696,755,818] |