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 | 4297 |
| 2 | 43331 |
| 3 | 404851 |
| 4 | 1895359 |
| 5 | 13626257 |
| 6 | 17051707 |
| 7 | 20831323 |
| 8 | 391995431 |
| 9 | 1391048047 |
| 10 | 4758958741 |
| 11 | 6291356009 |
| 12 | 20068818197 |
| 13 | 53241805651 |
| 14 | 82490815123 |
| 15 | 63816175447 |
| 16 | 482423533897 |
| 17 | 2209016910131 |
| 18 | 738832927927 |
| 19 | 4442109925217 |
| 20 | 4872634110067 |
| 21 | 12644461143649 |
| 22 | 10653514291843 |
| 23 | 15712145060693 |
| 24 | 111113196467011 |