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) |
|---|---|
| 0 | 5 |
| 1 | 7 |
| 2 | 22 |
| 3 | 23 |
| 4 | 27 |
| 5 | 187 |
| 6 | 195 |
| 7 | 207 |
| 8 | 310 |
| 9 | 1958 |
| 10 | 1962 |
| 11 | 7707 |
| 12 | 7731 |
| 13 | 7767 |
| 14 | 12286 |
| 15 | 316377 |
| 16 | 316463 |
| 17 | 503702 |
| 18 | 2057511 |
| 19 | 2057517 |
| 20 | 3291298 |
| 21 | 3291318 |
| 22 | 8440986 |
| 23 | 13520361 |
| 24 | 21709006 |
| 25 | 89959247 |
| 26 | 89959271 |
| 27 | 89959301 |
| 28 | 89959531 |
| 29 | 89959631 |
| 30 | 89959851 |