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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 4 |
| 16 | 4 |
| 17 | 4 |
| 18 | 4 |
| 19 | 4 |
| 20 | 4 |
| 21 | 4 |
| 22 | 10 |
| 23 | 11 |
| 24 | 11 |
| 25 | 11 |
| 26 | 11 |
| 27 | 11 |
| 28 | 11 |
| 29 | 22 |
| 30 | 25 |
| 31 | 26 |
| 32 | 26 |
| 33 | 26 |
| 34 | 26 |
| 35 | 26 |
| 36 | 44 |
| 37 | 51 |
| 38 | 54 |
| 39 | 55 |
| 40 | 55 |
| 41 | 55 |
| 42 | 55 |
| 43 | 84 |
| 44 | 98 |
| 45 | 105 |
| 46 | 108 |
| 47 | 109 |
| 48 | 109 |
| 49 | 109 |
| 50 | 153 |
| 51 | 178 |
| 52 | 193 |
| 53 | 200 |
| 54 | 203 |
| 55 | 204 |
| 56 | 204 |
| 57 | 270 |
| 58 | 313 |
| 59 | 341 |
| 60 | 356 |
| 61 | 363 |
| 62 | 366 |
| 63 | 367 |
| 64 | 463 |
| 65 | 532 |
| 66 | 582 |
| 67 | 611 |
[0,0,0,0,0,0,0,1,1,1,1,1,1,1,4,4,4,4,4,4,4,10,11, 11,11,11,11,11,22,25,26,26,26,26,26,44,51,54,55, 55,55,55,84,98,105,108,109,109,109,153,178,193, 200,203,204,204,270,313,341,356,363,366,367,463, 532,582,611] |