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 | 2 |
| 2 | 5 |
| 3 | 17 |
| 4 | 233 |
| 5 | 683 |
| 6 | 769 |
| 7 | 4013 |
| 8 | 5039 |
| 9 | 28649 |
| 10 | 29663 |
| 11 | 24917 |
| 12 | 15173 |
| 13 | 24179 |
| 14 | 105509 |
| 15 | 252971 |
| 16 | 81083 |
| 17 | 871289 |
| 18 | 941429 |
| 19 | 639701 |
| 20 | 199193 |
| 21 | 713681 |
| 22 | 768389 |
| 23 | 873569 |
| 24 | 1300813 |
| 25 | 1308299 |
| 26 | 1019687 |
| 27 | 4459667 |
| 28 | 1477139 |
| 29 | 642779 |
| 30 | 3953591 |
| 31 | 2040443 |
| 32 | 8445707 |
| 33 | 4906973 |