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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 0 |
| 6 | 2 |
| 7 | 0 |
| 8 | 0 |
| 9 | 3 |
| 10 | 0 |
| 11 | 0 |
| 12 | 5 |
| 13 | 0 |
| 14 | 0 |
| 15 | 7 |
| 16 | 0 |
| 17 | 0 |
| 18 | 11 |
| 19 | 0 |
| 20 | 0 |
| 21 | 15 |
| 22 | 0 |
| 23 | 0 |
| 24 | 22 |
| 25 | 0 |
| 26 | 0 |
| 27 | 30 |
| 28 | 0 |
| 29 | 0 |
| 30 | 42 |
| 31 | 0 |
| 32 | 0 |
| 33 | 56 |
| 34 | 0 |
| 35 | 0 |
| 36 | 77 |
| 37 | 0 |
| 38 | 0 |
| 39 | 101 |
| 40 | 0 |
| 41 | 0 |
| 42 | 135 |
| 43 | 0 |
| 44 | 0 |
| 45 | 176 |
| 46 | 0 |
| 47 | 0 |
| 48 | 231 |
| 49 | 0 |
| 50 | 0 |
| 51 | 297 |
| 52 | 0 |
| 53 | 0 |
| 54 | 385 |
| 55 | 0 |
| 56 | 0 |
| 57 | 490 |
| 58 | 0 |
| 59 | 0 |
| 60 | 627 |
| 61 | 0 |
| 62 | 0 |
| 63 | 792 |
| 64 | 0 |
| 65 | 0 |
| 66 | 1002 |
| 67 | 0 |
| 68 | 0 |
| 69 | 1255 |
| 70 | 0 |
| 71 | 0 |
| 72 | 1575 |
| 73 | 0 |
| 74 | 0 |
| 75 | 1958 |
| 76 | 0 |
| 77 | 0 |
| 78 | 2436 |
| 79 | 0 |
| 80 | 0 |
| 81 | 3010 |
[1,0,0,1,0,0,2,0,0,3,0,0,5,0,0,7,0,0,11,0,0,15,0, 0,22,0,0,30,0,0,42,0,0,56,0,0,77,0,0,101,0,0,135, 0,0,176,0,0,231,0,0,297,0,0,385,0,0,490,0,0,627,0, 0,792,0,0,1002,0,0,1255,0,0,1575,0,0,1958,0,0, 2436,0,0,3010] |