| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 2 |
| 11 | 3 |
| 12 | 3 |
| 13 | 4 |
| 14 | 5 |
| 15 | 6 |
| 16 | 7 |
| 17 | 9 |
| 18 | 10 |
| 19 | 12 |
| 20 | 15 |
| 21 | 17 |
| 22 | 20 |
| 23 | 24 |
| 24 | 28 |
| 25 | 32 |
| 26 | 38 |
| 27 | 44 |
| 28 | 51 |
| 29 | 59 |
| 30 | 68 |
| 31 | 78 |
| 32 | 91 |
| 33 | 103 |
| 34 | 118 |
| 35 | 136 |
| 36 | 155 |
| 37 | 176 |
| 38 | 201 |
| 39 | 228 |
| 40 | 259 |
| 41 | 294 |
| 42 | 332 |
| 43 | 375 |
| 44 | 425 |
| 45 | 478 |
| 46 | 538 |
| 47 | 607 |
| 48 | 681 |
| 49 | 764 |
| 50 | 858 |
| 51 | 961 |
| 52 | 1075 |
| 53 | 1203 |
| 54 | 1343 |
| 55 | 1499 |
| 56 | 1673 |
| 57 | 1863 |
| 58 | 2073 |
| 59 | 2308 |
| 60 | 2564 |
| 61 | 2847 |
| 62 | 3161 |
| 63 | 3504 |
[0,0,1,0,0,1,1,1,1,2,2,3,3,4,5,6,7,9,10,12,15,17, 20,24,28,32,38,44,51,59,68,78,91,103,118,136,155, 176,201,228,259,294,332,375,425,478,538,607,681, 764,858,961,1075,1203,1343,1499,1673,1863,2073, 2308,2564,2847,3161,3504] |