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 | 1 |
| 2 | 3 |
| 3 | 617 |
| 4 | 7 |
| 5 | 171 |
| 6 | 219 |
| 7 | 766329 |
| 8 | 15 |
| 9 | 1061683 |
| 10 | 179 |
| 11 | 102151 |
| 12 | 677 |
| 13 | 497 |
| 14 | 785777 |
| 15 | 10380059 |
| 16 | 31 |
| 17 | 8861 |
| 18 | 360377 |
| 19 | 60226515 |
| 20 | 183 |
| 21 | 2731 |
| 22 | 103919 |
| 23 | 3339321 |
| 24 | 229 |
| 25 | 1548244271 |
| 26 | 505 |
| 27 | 129481899470258402665619129356105706380861444925035330406812603986229803685477 |
| 28 | 113643 |