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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 6 |
| 5 | 23 |
| 6 | 24 |
| 7 | 38 |
| 8 | 164 |
| 9 | 172 |
| 10 | 176 |
| 11 | 207 |
| 12 | 216 |
| 13 | 251 |
| 14 | 272 |
| 15 | 424 |
| 16 | 1112 |
| 17 | 1318 |
| 18 | 2072 |
| 19 | 2664 |
| 20 | 3143 |
| 21 | 4704 |
| 22 | 5236 |
| 23 | 9526 |
| 24 | 13064 |
| 25 | 13523 |
| 26 | 27111 |
| 27 | 35931 |
| 28 | 37504 |
| 29 | 47542 |
| 30 | 128656 |
| 31 | 181551 |