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