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 | 3 |
| 2 | 4 |
| 3 | 23 |
| 4 | 29 |
| 5 | 39 |
| 6 | 1559 |
| 7 | 1593 |
| 8 | 2435519 |
| 9 | 2435534 |
| 10 | 2485805 |
| 11 | 2485806 |
| 12 | 2485810 |
| 13 | 2485827 |
| 14 | 2486989 |
| 15 | 5936893149287 |
| 16 | 5936893149290 |
| 17 | 5936949030071 |
| 18 | 5936949030092 |
| 19 | 5936949030103 |
| 20 | 5936949030105 |
| 21 | 5936949030115 |
| 22 | 5936949030121 |
| 23 | 35246700334321411113125039 |
| 24 | 1242329884457453073932774588160466662938743561876559 |