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 | 65638117 |
| 2 | 18939113 |
| 3 | 40880753 |
| 4 | 33862223 |
| 5 | 63544333 |
| 6 | 59395829 |
| 7 | 26613199 |
| 8 | 26788067 |
| 9 | 20876689 |
| 10 | 62629631 |
| 11 | 87012203 |
| 12 | 85098743 |
| 13 | 12544877 |
| 14 | 66478091 |
| 15 | 87124007 |
| 16 | 70575179 |
| 17 | 10427621 |
| 18 | 77111777 |
| 19 | 17141011 |
| 20 | 71410117 |
| 21 | 66979873 |