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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 3 |
| 7 | 1 |
| 8 | 3 |
| 9 | 4 |
| 10 | 3 |
| 11 | 4 |
| 12 | 7 |
| 13 | 4 |
| 14 | 7 |
| 15 | 9 |
| 16 | 7 |
| 17 | 9 |
| 18 | 14 |
| 19 | 9 |
| 20 | 14 |
| 21 | 17 |
| 22 | 14 |
| 23 | 17 |
| 24 | 24 |
| 25 | 17 |
| 26 | 24 |
| 27 | 29 |
| 28 | 24 |
| 29 | 29 |
| 30 | 38 |
| 31 | 29 |
| 32 | 38 |
| 33 | 45 |
| 34 | 38 |
| 35 | 45 |
| 36 | 57 |
| 37 | 45 |
| 38 | 57 |
| 39 | 66 |
| 40 | 57 |
| 41 | 66 |
| 42 | 81 |
| 43 | 66 |
| 44 | 81 |
| 45 | 93 |
| 46 | 81 |
| 47 | 93 |
| 48 | 111 |
| 49 | 93 |
| 50 | 111 |
| 51 | 126 |
| 52 | 111 |
| 53 | 126 |
| 54 | 148 |
| 55 | 126 |
| 56 | 148 |
| 57 | 166 |
[1,0,1,1,1,1,3,1,3,4,3,4,7,4,7,9,7,9,14,9,14,17, 14,17,24,17,24,29,24,29,38,29,38,45,38,45,57,45, 57,66,57,66,81,66,81,93,81,93,111,93,111,126,111, 126,148,126,148,166] |