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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| 14 | 1 |
| 15 | 1 |
| 16 | 1 |
| 17 | 0 |
| 18 | 1 |
| 19 | 2 |
| 20 | 3 |
| 21 | 4 |
| 22 | 5 |
| 23 | 6 |
| 24 | 7 |
| 25 | 8 |
| 26 | 7 |
| 27 | 7 |
| 28 | 8 |
| 29 | 10 |
| 30 | 13 |
| 31 | 17 |
| 32 | 22 |
| 33 | 28 |
| 34 | 36 |
| 35 | 42 |
| 36 | 47 |
| 37 | 52 |
| 38 | 58 |
| 39 | 66 |
| 40 | 77 |
| 41 | 92 |
| 42 | 112 |
| 43 | 141 |
| 44 | 176 |
| 45 | 215 |
| 46 | 257 |
| 47 | 302 |
| 48 | 351 |
| 49 | 406 |
| 50 | 470 |
| 51 | 546 |
| 52 | 645 |
| 53 | 774 |
| 54 | 937 |
| 55 | 1136 |
| 56 | 1372 |
| 57 | 1646 |
[1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,0,1,2,3,4,5,6, 7,8,7,7,8,10,13,17,22,28,36,42,47,52,58,66,77,92, 112,141,176,215,257,302,351,406,470,546,645,774, 937,1136,1372,1646] |