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 | 422481 |
| 2 | 2813001 |
| 3 | 8707481 |
| 4 | 12197457 |
| 5 | 16003017 |
| 6 | 16430513 |
| 7 | 20615673 |
| 8 | 44310257 |
| 9 | 68711097 |
| 10 | 117112081 |
| 11 | 145087793 |
| 12 | 156646737 |
| 13 | 589845921 |
| 14 | 638523249 |
| 15 | 873822121 |
| 16 | 1259768473 |
| 17 | 1679142729 |
| 18 | 1787882337 |
| 19 | 1871713857 |