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 | 5 |
| 2 | 13 |
| 3 | 113 |
| 4 | 1741 |
| 5 | 5101 |
| 6 | 8581 |
| 7 | 9941 |
| 8 | 21841 |
| 9 | 26681 |
| 10 | 47741 |
| 11 | 82013 |
| 12 | 481181 |
| 13 | 501001 |
| 14 | 1009621 |
| 15 | 2356621 |
| 16 | 2542513 |
| 17 | 3279361 |
| 18 | 3723721 |
| 19 | 4277813 |
| 20 | 7757861 |
| 21 | 8124481 |
| 22 | 13204661 |
| 23 | 25311613 |
| 24 | 30772013 |
| 25 | 44170601 |
| 26 | 48619661 |
| 27 | 51521401 |
| 28 | 52541501 |
| 29 | 54236113 |
| 30 | 60731221 |
| 31 | 72902813 |