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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 2 |
| 12 | 1 |
| 13 | 0 |
| 14 | 0 |
| 15 | 1 |
| 16 | 3 |
| 17 | 2 |
| 18 | 1 |
| 19 | 0 |
| 20 | 3 |
| 21 | 6 |
| 22 | 5 |
| 23 | 2 |
| 24 | 2 |
| 25 | 8 |
| 26 | 13 |
| 27 | 10 |
| 28 | 5 |
| 29 | 5 |
| 30 | 19 |
| 31 | 31 |
| 32 | 22 |
| 33 | 13 |
| 34 | 14 |
| 35 | 40 |
| 36 | 74 |
| 37 | 45 |
| 38 | 29 |
| 39 | 35 |
| 40 | 82 |
| 41 | 162 |
| 42 | 100 |
| 43 | 64 |
| 44 | 81 |
| 45 | 168 |
| 46 | 338 |
| 47 | 209 |
| 48 | 142 |
| 49 | 173 |
| 50 | 339 |
| 51 | 676 |
| 52 | 433 |
| 53 | 300 |
| 54 | 366 |
| 55 | 673 |
| 56 | 1306 |
| 57 | 868 |
| 58 | 620 |
| 59 | 739 |
| 60 | 1321 |
| 61 | 2456 |
| 62 | 1701 |
| 63 | 1250 |
| 64 | 1467 |
| 65 | 2537 |
| 66 | 4540 |
| 67 | 3241 |
| 68 | 2453 |
| 69 | 2844 |
| 70 | 4791 |
| 71 | 8244 |
| 72 | 6066 |
| 73 | 4704 |
[0,0,0,0,0,1,0,0,0,0,2,1,0,0,1,3,2,1,0,3,6,5,2,2, 8,13,10,5,5,19,31,22,13,14,40,74,45,29,35,82,162, 100,64,81,168,338,209,142,173,339,676,433,300,366, 673,1306,868,620,739,1321,2456,1701,1250,1467, 2537,4540,3241,2453,2844,4791,8244,6066,4704] |