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 | 558 |
| 2 | 7074 |
| 3 | 89118 |
| 4 | 1151346 |
| 5 | 14837270 |
| 6 | 190416934 |
| 7 | 2442333998 |
| 8 | 31384892214 |
| 9 | 403218559222 |
| 10 | 5178525140438 |
| 11 | 66503687019294 |
| 12 | 854217043141534 |
| 13 | 10971879636716262 |
| 14 | 140921116729079306 |
| 15 | 1809957986000195766 |