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 | 2137453 |
| 2 | 194697747222394 |
| 3 | 209534289952018960 |
| 4 | 2153441655319779164332 |
| 5 | 195152998207833388640389 |
| 6 | 192648330068920004741771823742285752 |