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 | 1381 |
| 2 | 16581 |
| 3 | 290217 |
| 4 | 1409635 |
| 5 | 1118176194 |
| 6 | 107792931954 |
| 7 | 673751534392 |
| 8 | 2587409974788 |