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 | 113575727 |
| 2 | 232728647 |
| 3 | 2426256797 |
| 4 | 2469604721 |
| 5 | 3344410367 |
| 6 | 4656098957 |
| 7 | 4952808461 |
| 8 | 6369321857 |
| 9 | 6430890287 |
| 10 | 6760087151 |
| 11 | 8518049207 |
| 12 | 10818813737 |
| 13 | 13195845317 |
| 14 | 19684555061 |
| 15 | 21884908931 |
| 16 | 23953276661 |
| 17 | 25509639137 |
| 18 | 26367829331 |
| 19 | 26390212061 |
| 20 | 31004257211 |