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 | 23 |
| 2 | 29 |
| 3 | 37 |
| 4 | 53 |
| 5 | 149 |
| 6 | 277 |
| 7 | 2069 |
| 8 | 32789 |
| 9 | 65557 |
| 10 | 524309 |
| 11 | 17592186044437 |
| 12 | 281474976710677 |
| 13 | 2251799813685269 |
| 14 | 4503599627370517 |
| 15 | 2305843009213693973 |
| 16 | 11692013098647223345629478661730264157247460343829 |