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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 6 |
| 9 | 7 |
| 10 | 9 |
| 11 | 10 |
| 12 | 13 |
| 13 | 14 |
| 14 | 18 |
| 15 | 19 |
| 16 | 24 |
| 17 | 25 |
| 18 | 31 |
| 19 | 32 |
| 20 | 40 |
| 21 | 41 |
| 22 | 50 |
| 23 | 51 |
| 24 | 63 |
| 25 | 64 |
| 26 | 77 |
| 27 | 78 |
| 28 | 95 |
| 29 | 96 |
| 30 | 114 |
| 31 | 115 |
| 32 | 138 |
| 33 | 139 |
| 34 | 163 |
| 35 | 164 |
| 36 | 194 |
| 37 | 195 |
| 38 | 226 |
| 39 | 227 |
| 40 | 266 |
| 41 | 267 |
| 42 | 307 |
| 43 | 308 |
| 44 | 357 |
| 45 | 358 |
| 46 | 408 |
| 47 | 409 |
| 48 | 471 |
| 49 | 472 |
| 50 | 535 |
| 51 | 536 |
| 52 | 612 |
| 53 | 613 |
| 54 | 690 |
| 55 | 691 |
| 56 | 785 |
| 57 | 786 |
| 58 | 881 |
| 59 | 882 |
[0,1,1,2,2,3,4,5,6,7,9,10,13,14,18,19,24,25,31,32, 40,41,50,51,63,64,77,78,95,96,114,115,138,139,163, 164,194,195,226,227,266,267,307,308,357,358,408, 409,471,472,535,536,612,613,690,691,785,786,881, 882] |