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 | 2723401 |
| 2 | 13036537 |
| 3 | 52774873 |
| 4 | 78972121 |
| 5 | 116515177 |
| 6 | 123179113 |
| 7 | 235236049 |
| 8 | 242120017 |
| 9 | 834990721 |
| 10 | 850037521 |
| 11 | 943067353 |
| 12 | 943804801 |
| 13 | 1302156313 |
| 14 | 1582432681 |
| 15 | 1659047497 |
| 16 | 1830419449 |
| 17 | 1999538809 |
| 18 | 2025774697 |
| 19 | 2609800657 |