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 | 4 |
| 2 | 5 |
| 3 | 7 |
| 4 | 12 |
| 5 | 14 |
| 6 | 15 |
| 7 | 16 |
| 8 | 17 |
| 9 | 18 |
| 10 | 20 |
| 11 | 30 |
| 12 | 37 |
| 13 | 39 |
| 14 | 49 |
| 15 | 52 |
| 16 | 66 |
| 17 | 86 |
| 18 | 162 |
| 19 | 165 |
| 20 | 202 |
| 21 | 235 |
| 22 | 250 |
| 23 | 366 |
| 24 | 419 |
| 25 | 1169 |
| 26 | 1311 |
| 27 | 1916 |
| 28 | 3032 |
| 29 | 3211 |
| 30 | 3335 |
| 31 | 4650 |
| 32 | 6199 |
| 33 | 7762 |
| 34 | 12776 |