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| n | a(n) |
|---|---|
| 1 | 24 |
| 2 | 42 |
| 3 | 124 |
| 4 | 142 |
| 5 | 204 |
| 6 | 214 |
| 7 | 234 |
| 8 | 240 |
| 9 | 241 |
| 10 | 243 |
| 11 | 245 |
| 12 | 246 |
| 13 | 247 |
| 14 | 248 |
| 15 | 249 |
| 16 | 254 |
| 17 | 264 |
| 18 | 274 |
| 19 | 284 |
| 20 | 294 |
| 21 | 324 |
| 22 | 342 |
| 23 | 402 |
| 24 | 412 |
| 25 | 420 |
| 26 | 421 |
| 27 | 423 |
| 28 | 425 |
| 29 | 426 |
| 30 | 427 |
| 31 | 428 |
| 32 | 429 |
| 33 | 432 |
| 34 | 452 |
| 35 | 462 |
| 36 | 472 |
| 37 | 482 |
| 38 | 492 |
| 39 | 524 |
| 40 | 542 |
| 41 | 624 |
| 42 | 642 |
| 43 | 724 |
| 44 | 742 |
| 45 | 824 |
| 46 | 842 |
| 47 | 924 |
| 48 | 942 |
| 49 | 1024 |
| 50 | 1042 |
[24,42,124,142,204,214,234,240,241,243,245,246, 247,248,249,254,264,274,284,294,324,342,402,412, 420,421,423,425,426,427,428,429,432,452,462,472, 482,492,524,542,624,642,724,742,824,842,924,942, 1024,1042] |