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 | 4 |
| 2 | 130 |
| 3 | 177 |
| 4 | 24466 |
| 5 | 24466 |
| 6 | 244453 |
| 7 | 3517236 |
| 8 | 168743355 |
| 9 | 5050944965 |
| 10 | 7644991298 |
| 11 | 157675736216 |
| 12 | 1618922020656 |
| 13 | 7604259624808 |
| 14 | 7604259624808 |