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 | 231 |
| 2 | 2679 |
| 3 | 18471 |
| 4 | 24311 |
| 5 | 61171 |
| 6 | 71799 |
| 7 | 84271 |
| 8 | 107371 |
| 9 | 112871 |
| 10 | 140151 |
| 11 | 150071 |
| 12 | 305359 |
| 13 | 364791 |
| 14 | 420391 |
| 15 | 483351 |
| 16 | 854845 |
| 17 | 948631 |
| 18 | 966671 |
| 19 | 1003191 |
| 20 | 1209745 |
| 21 | 1260791 |
| 22 | 1327911 |
| 23 | 1451791 |
| 24 | 1675511 |
| 25 | 1691351 |
| 26 | 1870167 |
| 27 | 1982391 |
| 28 | 2400935 |
| 29 | 2721535 |