This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 2034 |
| 2 | 2403 |
| 3 | 2430 |
| 4 | 3024 |
| 5 | 3042 |
| 6 | 3240 |
| 7 | 3304 |
| 8 | 3340 |
| 9 | 3420 |
| 10 | 4203 |
| 11 | 4230 |
| 12 | 4302 |
| 13 | 4320 |
| 14 | 4330 |
| 15 | 4340 |
| 16 | 213330 |
| 17 | 303240 |
| 18 | 310430 |
| 19 | 330101 |
| 20 | 1230134 |
| 21 | 1240404 |
| 22 | 1303034 |
| 23 | 1322340 |
| 24 | 1330304 |
| 25 | 1340303 |
| 26 | 1343030 |
| 27 | 2000434 |
| 28 | 2004120 |
| 29 | 2244030 |
| 30 | 2420401 |
| 31 | 3020002 |