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 | 1 |
| 2 | 2 |
| 3 | 21 |
| 4 | 6594 |
| 5 | 6595 |
| 6 | 6602 |
| 7 | 6603 |
| 8 | 6604 |
| 9 | 6605 |
| 10 | 6606 |
| 11 | 6609 |
| 12 | 6612 |
| 13 | 6613 |
| 14 | 6622 |
| 15 | 6623 |
| 16 | 6626 |
| 17 | 6627 |
| 18 | 6628 |
| 19 | 6629 |
| 20 | 6630 |
| 21 | 7499 |
| 22 | 7500 |
| 23 | 7507 |
| 24 | 7512 |
| 25 | 7513 |
| 26 | 7514 |
| 27 | 7535 |
| 28 | 7536 |
| 29 | 7537 |
| 30 | 27056 |