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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 3 |
| 14 | 3 |
| 15 | 3 |
| 16 | 4 |
| 17 | 5 |
| 18 | 5 |
| 19 | 6 |
| 20 | 7 |
| 21 | 7 |
| 22 | 9 |
| 23 | 9 |
| 24 | 11 |
| 25 | 12 |
| 26 | 13 |
| 27 | 15 |
| 28 | 16 |
| 29 | 19 |
| 30 | 20 |
| 31 | 23 |
| 32 | 25 |
| 33 | 27 |
| 34 | 31 |
| 35 | 33 |
| 36 | 37 |
| 37 | 40 |
| 38 | 44 |
| 39 | 49 |
| 40 | 52 |
| 41 | 59 |
| 42 | 63 |
| 43 | 69 |
| 44 | 76 |
| 45 | 81 |
| 46 | 90 |
| 47 | 96 |
| 48 | 106 |
| 49 | 114 |
| 50 | 123 |
| 51 | 135 |
| 52 | 144 |
| 53 | 157 |
| 54 | 169 |
| 55 | 183 |
| 56 | 197 |
| 57 | 212 |
| 58 | 230 |
| 59 | 246 |
| 60 | 266 |
| 61 | 286 |
| 62 | 307 |
| 63 | 330 |
| 64 | 353 |
| 65 | 381 |
| 66 | 406 |
| 67 | 436 |
| 68 | 468 |
| 69 | 499 |
| 70 | 536 |
| 71 | 572 |
| 72 | 613 |
| 73 | 654 |
| 74 | 698 |
| 75 | 746 |
| 76 | 795 |
| 77 | 849 |
| 78 | 904 |
| 79 | 964 |
[1,0,0,1,0,1,1,1,1,1,2,2,2,3,3,3,4,5,5,6,7,7,9,9, 11,12,13,15,16,19,20,23,25,27,31,33,37,40,44,49, 52,59,63,69,76,81,90,96,106,114,123,135,144,157, 169,183,197,212,230,246,266,286,307,330,353,381, 406,436,468,499,536,572,613,654,698,746,795,849, 904,964] |