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 | 235 |
| 2 | 357 |
| 3 | 71113 |
| 4 | 374143 |
| 5 | 616771 |
| 6 | 167173179 |
| 7 | 143914471451 |
| 8 | 909071909089909091 |
| 9 | 104651162787110465116278991046511627907 |