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 | 9 |
| 2 | 252 |
| 3 | 6813 |
| 4 | 265 |
| 5 | 22 |
| 6 | 603 |
| 7 | 16290 |
| 8 | 439839 |
| 9 | 267 |
| 10 | 24 |
| 11 | 657 |
| 12 | 17748 |
| 13 | 479205 |
| 14 | 17761 |
| 15 | 670 |
| 16 | 18099 |
| 17 | 488682 |
| 18 | 13194423 |
| 19 | 17763 |
| 20 | 672 |
| 21 | 18153 |
| 22 | 490140 |
| 23 | 13233789 |
| 24 | 490153 |
| 25 | 18166 |
| 26 | 490491 |
| 27 | 13243266 |
| 28 | 357568191 |
| 29 | 490155 |
| 30 | 18168 |
| 31 | 490545 |
| 32 | 13244724 |
| 33 | 357607557 |