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 | 148219 |
| 2 | 287274 |
| 3 | 3543794 |
| 4 | 38718219 |
| 5 | 142500794 |
| 6 | 211860799 |
| 7 | 293790169 |
| 8 | 378321938 |
| 9 | 552333594 |
| 10 | 850684829 |
| 11 | 1033256883 |
| 12 | 1454938619 |
| 13 | 1464112007 |
| 14 | 1493284930 |
| 15 | 1848698699 |
| 16 | 2692083869 |
| 17 | 3183401369 |
| 18 | 3428629709 |
| 19 | 3447827069 |