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 | 6 |
| 2 | 36 |
| 3 | 936 |
| 4 | 81936 |
| 5 | 64181936 |
| 6 | 3616164181936 |
| 7 | 93613613616164181936 |
| 8 | 819361936193613613616164181936 |
| 9 | 641819361819361819361936193613613616164181936 |