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 | 516493 |
| 2 | 1056493 |
| 3 | 1427383 |
| 4 | 1885943 |
| 5 | 3166183 |
| 6 | 3805183 |
| 7 | 4241593 |
| 8 | 6621283 |
| 9 | 7646953 |
| 10 | 12912283 |
| 11 | 17987839 |
| 12 | 32106493 |
| 13 | 107152093 |
| 14 | 120224773 |
| 15 | 131144473 |
| 16 | 133210873 |
| 17 | 139388891 |
| 18 | 142782877 |
| 19 | 150326173 |
| 20 | 155382923 |
| 21 | 177865819 |
| 22 | 184081943 |
| 23 | 227795839 |
| 24 | 242376877 |
| 25 | 264174877 |