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| n | a(n) |
|---|---|
| 1 | 24 |
| 2 | 42 |
| 3 | 124 |
| 4 | 142 |
| 5 | 224 |
| 6 | 249 |
| 7 | 324 |
| 8 | 342 |
| 9 | 429 |
| 10 | 442 |
| 11 | 524 |
| 12 | 542 |
| 13 | 624 |
| 14 | 642 |
| 15 | 724 |
| 16 | 742 |
| 17 | 824 |
| 18 | 842 |
| 19 | 924 |
| 20 | 942 |
| 21 | 1024 |
| 22 | 1042 |
| 23 | 1124 |
| 24 | 1142 |
| 25 | 1224 |
| 26 | 1249 |
| 27 | 1324 |
| 28 | 1342 |
| 29 | 1429 |
| 30 | 1442 |
| 31 | 1524 |
| 32 | 1542 |
| 33 | 1624 |
| 34 | 1642 |
| 35 | 1724 |
| 36 | 1742 |
| 37 | 1824 |
| 38 | 1842 |
| 39 | 1924 |
| 40 | 1942 |
| 41 | 2024 |
[24,42,124,142,224,249,324,342,429,442,524,542, 624,642,724,742,824,842,924,942,1024,1042,1124, 1142,1224,1249,1324,1342,1429,1442,1524,1542,1624, 1642,1724,1742,1824,1842,1924,1942,2024] |