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 | 409 |
| 2 | 4441 |
| 3 | 12841 |
| 4 | 15889 |
| 5 | 22751 |
| 6 | 30091 |
| 7 | 41809 |
| 8 | 55921 |
| 9 | 60889 |
| 10 | 77167 |
| 11 | 82183 |
| 12 | 99823 |
| 13 | 103561 |
| 14 | 110281 |
| 15 | 120391 |
| 16 | 127249 |
| 17 | 136471 |
| 18 | 139201 |
| 19 | 155671 |
| 20 | 157351 |
| 21 | 161881 |
| 22 | 164209 |
| 23 | 180361 |
| 24 | 180799 |
| 25 | 182839 |
| 26 | 183823 |
| 27 | 187711 |
| 28 | 191047 |
| 29 | 230929 |
| 30 | 250423 |
| 31 | 257263 |
| 32 | 272191 |