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 | 5 |
| 2 | 243 |
| 3 | 112122 |
| 4 | 26152629083 |
| 5 | 896398925366011889258 |
| 6 | 3015244976414322457555463218875802090369767 |
| 7 | 64507244652051292999487806064926450248354528876835935231409173161547519285211444127477 |