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| n | a(n) |
|---|---|
| 1 | 469 |
| 2 | 649 |
| 3 | 694 |
| 4 | 4469 |
| 5 | 4694 |
| 6 | 4699 |
| 7 | 4946 |
| 8 | 6499 |
| 9 | 6649 |
| 10 | 6694 |
| 11 | 9446 |
| 12 | 9466 |
| 13 | 9469 |
| 14 | 9946 |
| 15 | 44669 |
| 16 | 44966 |
| 17 | 44969 |
| 18 | 46469 |
| 19 | 46946 |
| 20 | 46969 |
| 21 | 46994 |
| 22 | 46999 |
| 23 | 49466 |
| 24 | 49649 |
| 25 | 49694 |
| 26 | 49699 |
| 27 | 49969 |
| 28 | 64469 |
| 29 | 64649 |
| 30 | 64669 |
| 31 | 64949 |
| 32 | 64994 |
| 33 | 66469 |
| 34 | 66494 |
| 35 | 66694 |
| 36 | 69449 |
| 37 | 69469 |
| 38 | 69494 |
| 39 | 69694 |
| 40 | 69949 |
| 41 | 94469 |
| 42 | 94669 |
| 43 | 94699 |
| 44 | 94969 |
| 45 | 96449 |
| 46 | 96494 |
| 47 | 96649 |
| 48 | 96946 |
| 49 | 96949 |
| 50 | 96994 |
| 51 | 99646 |
| 52 | 99649 |
| 53 | 444694 |
[469,649,694,4469,4694,4699,4946,6499,6649,6694, 9446,9466,9469,9946,44669,44966,44969,46469,46946, 46969,46994,46999,49466,49649,49694,49699,49969, 64469,64649,64669,64949,64994,66469,66494,66694, 69449,69469,69494,69694,69949,94469,94669,94699, 94969,96449,96494,96649,96946,96949,96994,99646, 99649,444694] |