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 | 9 |
| 2 | 97 |
| 3 | 1349 |
| 4 | 20288 |
| 5 | 329707 |
| 6 | 5574248 |
| 7 | 97506021 |
| 8 | 1747201171 |
| 9 | 31923371982 |
| 10 | 592403479154 |