| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 14 |
| 9 | 15 |
| 10 | -1 |
| 11 | -1 |
| 12 | -1 |
| 13 | -1 |
| 14 | -1 |
| 15 | -1 |
| 16 | 16 |
| 17 | 17 |
| 18 | 18 |
| 19 | 19 |
| 20 | 20 |
| 21 | 21 |
| 22 | 22 |
| 23 | 23 |
| 24 | 30 |
| 25 | 31 |
| 26 | -1 |
| 27 | -1 |
| 28 | -1 |
| 29 | -1 |
| 30 | -1 |
| 31 | -1 |
| 32 | 32 |
| 33 | 33 |
| 34 | 34 |
| 35 | 35 |
| 36 | 36 |
| 37 | 37 |
| 38 | 38 |
| 39 | 39 |
| 40 | 46 |
| 41 | 47 |
| 42 | -1 |
| 43 | -1 |
| 44 | -1 |
| 45 | -1 |
| 46 | -1 |
| 47 | -1 |
| 48 | 48 |
| 49 | 49 |
| 50 | 50 |
| 51 | 51 |
| 52 | 52 |
| 53 | 53 |
| 54 | 54 |
| 55 | 55 |
| 56 | 62 |
| 57 | 63 |
| 58 | -1 |
| 59 | -1 |
| 60 | -1 |
| 61 | -1 |
| 62 | -1 |
| 63 | -1 |
| 64 | 64 |
| 65 | 65 |
| 66 | 66 |
| 67 | 67 |
| 68 | 68 |
| 69 | 69 |
| 70 | 70 |
| 71 | 71 |
| 72 | 78 |
| 73 | 79 |
| 74 | -1 |
| 75 | -1 |
| 76 | -1 |
| 77 | -1 |
| 78 | -1 |
| 79 | -1 |
| 80 | 80 |
| 81 | 81 |
| 82 | 82 |
| 83 | 83 |
| 84 | 84 |
| 85 | 85 |
| 86 | 86 |
[0,1,2,3,4,5,6,7,14,15,-1,-1,-1,-1,-1,-1,16,17,18, 19,20,21,22,23,30,31,-1,-1,-1,-1,-1,-1,32,33,34, 35,36,37,38,39,46,47,-1,-1,-1,-1,-1,-1,48,49,50, 51,52,53,54,55,62,63,-1,-1,-1,-1,-1,-1,64,65,66, 67,68,69,70,71,78,79,-1,-1,-1,-1,-1,-1,80,81,82, 83,84,85,86] |