| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 8 |
| 5 | 1 |
| 6 | 3 |
| 7 | 5 |
| 8 | 7 |
| 9 | 0 |
| 10 | 20 |
| 11 | 22 |
| 12 | 24 |
| 13 | 26 |
| 14 | 28 |
| 15 | 21 |
| 16 | 23 |
| 17 | 25 |
| 18 | 27 |
| 19 | 20 |
| 20 | 40 |
| 21 | 42 |
| 22 | 44 |
| 23 | 46 |
| 24 | 48 |
| 25 | 41 |
| 26 | 43 |
| 27 | 45 |
| 28 | 47 |
| 29 | 40 |
| 30 | 60 |
| 31 | 62 |
| 32 | 64 |
| 33 | 66 |
| 34 | 68 |
| 35 | 61 |
| 36 | 63 |
| 37 | 65 |
| 38 | 67 |
| 39 | 60 |
| 40 | 80 |
| 41 | 82 |
| 42 | 84 |
| 43 | 86 |
| 44 | 88 |
| 45 | 81 |
| 46 | 83 |
| 47 | 85 |
| 48 | 87 |
| 49 | 80 |
| 50 | 10 |
| 51 | 12 |
| 52 | 14 |
| 53 | 16 |
| 54 | 18 |
| 55 | 11 |
| 56 | 13 |
| 57 | 15 |
| 58 | 17 |
| 59 | 10 |
| 60 | 30 |
| 61 | 32 |
| 62 | 34 |
| 63 | 36 |
| 64 | 38 |
| 65 | 31 |
| 66 | 33 |
| 67 | 35 |
| 68 | 37 |
| 69 | 30 |
| 70 | 50 |
| 71 | 52 |
| 72 | 54 |
| 73 | 56 |
| 74 | 58 |
[0,2,4,6,8,1,3,5,7,0,20,22,24,26,28,21,23,25,27, 20,40,42,44,46,48,41,43,45,47,40,60,62,64,66,68, 61,63,65,67,60,80,82,84,86,88,81,83,85,87,80,10, 12,14,16,18,11,13,15,17,10,30,32,34,36,38,31,33, 35,37,30,50,52,54,56,58] |