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 | 13 |
| 2 | 7 |
| 3 | 167 |
| 4 | 4079 |
| 5 | 47 |
| 6 | 2879 |
| 7 | 71850239 |
| 8 | 2444789759 |
| 9 | 21981381119 |
| 10 | 13357981992959 |
| 11 | 681004115066879 |
| 12 | 1136001594224639 |
| 13 | 16756459239477534719 |
| 14 | 781558105952602767359 |