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 | 14 |
| 3 | 178 |
| 4 | 29506 |
| 5 | 824811586 |
| 6 | 652329111297234946 |
| 7 | 411563898885102610704583389879582466 |
| 8 | 164866004502764290755787184747538569374756887082805069905652869331016706 |