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 | 87539319 |
| 2 | 119824488 |
| 3 | 143604279 |
| 4 | 175959000 |
| 5 | 327763000 |
| 6 | 804360375 |
| 7 | 1840667192 |
| 8 | 1915865217 |
| 9 | 3080802816 |
| 10 | 3499524728 |
| 11 | 3623721192 |
| 12 | 5544709352 |
| 13 | 10458523413 |
| 14 | 10499580728 |
| 15 | 10833628897 |
| 16 | 15170835645 |
| 17 | 18778674824 |
| 18 | 21303180171 |
| 19 | 21989186856 |