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