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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 2 |
| 8 | 2 |
| 9 | 0 |
| 10 | 1 |
| 11 | 3 |
| 12 | 5 |
| 13 | 6 |
| 14 | 0 |
| 15 | 1 |
| 16 | 4 |
| 17 | 9 |
| 18 | 16 |
| 19 | 20 |
| 20 | 0 |
| 21 | 1 |
| 22 | 5 |
| 23 | 14 |
| 24 | 31 |
| 25 | 56 |
| 26 | 72 |
| 27 | 0 |
| 28 | 1 |
| 29 | 6 |
| 30 | 20 |
| 31 | 52 |
| 32 | 114 |
| 33 | 208 |
| 34 | 273 |
| 35 | 0 |
| 36 | 1 |
| 37 | 7 |
| 38 | 27 |
| 39 | 80 |
| 40 | 201 |
| 41 | 438 |
| 42 | 806 |
| 43 | 1073 |
| 44 | 0 |
| 45 | 1 |
| 46 | 8 |
| 47 | 35 |
| 48 | 116 |
| 49 | 325 |
| 50 | 800 |
| 51 | 1739 |
| 52 | 3220 |
| 53 | 4333 |
| 54 | 0 |
| 55 | 1 |
| 56 | 9 |
| 57 | 44 |
| 58 | 161 |
| 59 | 495 |
| 60 | 1341 |
| 61 | 3260 |
| 62 | 7077 |
| 63 | 13168 |
| 64 | 17869 |
| 65 | 0 |
[1,1,0,1,1,0,1,2,2,0,1,3,5,6,0,1,4,9,16,20,0,1,5, 14,31,56,72,0,1,6,20,52,114,208,273,0,1,7,27,80, 201,438,806,1073,0,1,8,35,116,325,800,1739,3220, 4333,0,1,9,44,161,495,1341,3260,7077,13168,17869, 0] |