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 | 89460294 |
| 2 | 151165960539 |
| 3 | 3089285427491 |
| 4 | 6999761340223 |
| 5 | 7539504384825 |