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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 2 |
| 9 | 2 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 4 |
| 14 | 4 |
| 15 | 4 |
| 16 | 6 |
| 17 | 6 |
| 18 | 6 |
| 19 | 8 |
| 20 | 8 |
| 21 | 9 |
| 22 | 11 |
| 23 | 12 |
| 24 | 13 |
| 25 | 15 |
| 26 | 17 |
| 27 | 18 |
| 28 | 21 |
| 29 | 23 |
| 30 | 25 |
| 31 | 29 |
| 32 | 31 |
| 33 | 34 |
| 34 | 38 |
| 35 | 41 |
| 36 | 46 |
| 37 | 51 |
| 38 | 55 |
| 39 | 60 |
| 40 | 66 |
| 41 | 72 |
| 42 | 78 |
| 43 | 86 |
| 44 | 93 |
| 45 | 101 |
| 46 | 111 |
| 47 | 120 |
| 48 | 130 |
| 49 | 141 |
| 50 | 153 |
| 51 | 166 |
| 52 | 180 |
| 53 | 194 |
| 54 | 210 |
| 55 | 227 |
| 56 | 245 |
| 57 | 265 |
| 58 | 286 |
| 59 | 308 |
[1,0,0,0,1,1,1,2,2,2,3,3,3,4,4,4,6,6,6,8,8,9,11, 12,13,15,17,18,21,23,25,29,31,34,38,41,46,51,55, 60,66,72,78,86,93,101,111,120,130,141,153,166,180, 194,210,227,245,265,286,308] |