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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 6 |
| 4 | 8 |
| 5 | 9 |
| 6 | 36 |
| 7 | 68 |
| 8 | 84 |
| 9 | 92 |
| 10 | 96 |
| 11 | 98 |
| 12 | 99 |
| 13 | 488 |
| 14 | 744 |
| 15 | 872 |
| 16 | 936 |
| 17 | 968 |
| 18 | 984 |
| 19 | 992 |
| 20 | 996 |
| 21 | 998 |
| 22 | 999 |
| 23 | 1808 |
| 24 | 5904 |
| 25 | 7952 |
| 26 | 8976 |
| 27 | 9488 |
| 28 | 9744 |
| 29 | 9872 |
| 30 | 9936 |
| 31 | 9968 |
| 32 | 9984 |
| 33 | 9992 |
| 34 | 9996 |
| 35 | 9998 |
| 36 | 9999 |
| 37 | 34464 |
| 38 | 67232 |
| 39 | 83616 |
| 40 | 91808 |
| 41 | 95904 |
| 42 | 97952 |
| 43 | 98976 |
| 44 | 99488 |
| 45 | 99744 |
| 46 | 99872 |
| 47 | 99936 |
[0,2,6,8,9,36,68,84,92,96,98,99,488,744,872,936, 968,984,992,996,998,999,1808,5904,7952,8976,9488, 9744,9872,9936,9968,9984,9992,9996,9998,9999, 34464,67232,83616,91808,95904,97952,98976,99488, 99744,99872,99936] |