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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 3 |
| 6 | 0 |
| 7 | 1 |
| 8 | 3 |
| 9 | 7 |
| 10 | 0 |
| 11 | 1 |
| 12 | 3 |
| 13 | 8 |
| 14 | 15 |
| 15 | 0 |
| 16 | 1 |
| 17 | 3 |
| 18 | 9 |
| 19 | 21 |
| 20 | 31 |
| 21 | 0 |
| 22 | 1 |
| 23 | 3 |
| 24 | 10 |
| 25 | 27 |
| 26 | 55 |
| 27 | 63 |
| 28 | 0 |
| 29 | 1 |
| 30 | 3 |
| 31 | 11 |
| 32 | 33 |
| 33 | 81 |
| 34 | 144 |
| 35 | 127 |
| 36 | 0 |
| 37 | 1 |
| 38 | 3 |
| 39 | 12 |
| 40 | 39 |
| 41 | 109 |
| 42 | 243 |
| 43 | 377 |
| 44 | 255 |
| 45 | 0 |
| 46 | 1 |
| 47 | 3 |
| 48 | 13 |
| 49 | 45 |
| 50 | 139 |
| 51 | 360 |
| 52 | 729 |
| 53 | 987 |
| 54 | 511 |
| 55 | 0 |
| 56 | 1 |
| 57 | 3 |
| 58 | 14 |
| 59 | 51 |
| 60 | 171 |
| 61 | 495 |
| 62 | 1189 |
| 63 | 2187 |
| 64 | 2584 |
| 65 | 1023 |
| 66 | 0 |
| 67 | 1 |
| 68 | 3 |
| 69 | 15 |
| 70 | 57 |
| 71 | 205 |
| 72 | 648 |
[0,0,1,0,1,3,0,1,3,7,0,1,3,8,15,0,1,3,9,21,31,0,1, 3,10,27,55,63,0,1,3,11,33,81,144,127,0,1,3,12,39, 109,243,377,255,0,1,3,13,45,139,360,729,987,511,0, 1,3,14,51,171,495,1189,2187,2584,1023,0,1,3,15,57, 205,648] |