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 | 30 |
| 2 | 429 |
| 3 | 3644 |
| 4 | 4612 |
| 5 | 14357 |
| 6 | 31545 |
| 7 | 40933 |
| 8 | 49414 |
| 9 | 104071 |
| 10 | 149689 |
| 11 | 149689 |
| 12 | 149689 |
| 13 | 149689 |
| 14 | 165326 |
| 15 | 325852 |
| 16 | 325852 |
| 17 | 415069 |
| 18 | 415069 |
| 19 | 491237 |
| 20 | 566214 |