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 | 270240 |
| 2 | 375255 |
| 3 | 635282 |
| 4 | 1000695 |
| 5 | 2039428 |
| 6 | 2602013 |
| 7 | 3398274 |
| 8 | 3748771 |
| 9 | 4300120 |
| 10 | 4889577 |
| 11 | 5643252 |
| 12 | 6595775 |
| 13 | 8684760 |
| 14 | 12489373 |
| 15 | 12758734 |
| 16 | 15186995 |
| 17 | 15557178 |
| 18 | 17151151 |
| 19 | 17988320 |
| 20 | 18564859 |
| 21 | 19878764 |
| 22 | 20317745 |
| 23 | 21560274 |
| 24 | 22466983 |