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 | 161739 |
| 2 | 200215 |
| 3 | 249953 |
| 4 | 322275 |
| 5 | 520289 |
| 6 | 904411 |
| 7 | 1782585 |
| 8 | 4808779 |
| 9 | 13539521 |
| 10 | 40005219 |