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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 4 |
| 9 | 6 |
| 10 | 7 |
| 11 | 7 |
| 12 | 8 |
| 13 | 11 |
| 14 | 14 |
| 15 | 15 |
| 16 | 16 |
| 17 | 20 |
| 18 | 26 |
| 19 | 30 |
| 20 | 32 |
| 21 | 37 |
| 22 | 47 |
| 23 | 57 |
| 24 | 63 |
| 25 | 70 |
| 26 | 85 |
| 27 | 105 |
| 28 | 121 |
| 29 | 134 |
| 30 | 156 |
| 31 | 191 |
| 32 | 227 |
| 33 | 256 |
| 34 | 291 |
| 35 | 348 |
| 36 | 419 |
| 37 | 484 |
| 38 | 548 |
| 39 | 640 |
| 40 | 768 |
| 41 | 904 |
| 42 | 1033 |
| 43 | 1189 |
| 44 | 1409 |
| 45 | 1673 |
| 46 | 1938 |
| 47 | 2223 |
| 48 | 2599 |
| 49 | 3083 |
| 50 | 3612 |
| 51 | 4162 |
| 52 | 4823 |
| 53 | 5683 |
| 54 | 6696 |
| 55 | 7775 |
| 56 | 8986 |
[1,1,1,1,2,3,3,3,4,6,7,7,8,11,14,15,16,20,26,30, 32,37,47,57,63,70,85,105,121,134,156,191,227,256, 291,348,419,484,548,640,768,904,1033,1189,1409, 1673,1938,2223,2599,3083,3612,4162,4823,5683,6696, 7775,8986] |