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 | 181 |
| 2 | 1103 |
| 3 | 40471 |
| 4 | 143329 |
| 5 | 212419 |
| 6 | 266261 |
| 7 | 468493 |
| 8 | 14586401 |
| 9 | 20948491 |
| 10 | 48894061 |
| 11 | 53298877 |
| 12 | 86546399 |
| 13 | 136061111 |
| 14 | 150851969 |
| 15 | 189448891 |
| 16 | 227353303 |
| 17 | 249650309 |
| 18 | 256855171 |
| 19 | 328033129 |
| 20 | 361451309 |
| 21 | 507533053 |
| 22 | 710528249 |
| 23 | 815653171 |
| 24 | 1172016731 |