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 | 7 |
| 2 | 235 |
| 3 | 16141 |
| 4 | 48811741 |
| 5 | 13011865891 |
| 6 | 232617453293191 |
| 7 | 143882557561868665 |
| 8 | 8862794004464425240057 |
| 9 | 99999991137061880347498904071 |
| 10 | 191843424957750480504146841291811 |