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 | 2523 |
| 2 | 2525 |
| 3 | 3175 |
| 4 | 22021 |
| 5 | 25529 |
| 6 | 28223 |
| 7 | 40325 |
| 8 | 53573 |
| 9 | 58923 |
| 10 | 73447 |
| 11 | 122571 |
| 12 | 132021 |
| 13 | 149675 |
| 14 | 152339 |
| 15 | 165175 |
| 16 | 172917 |
| 17 | 202221 |
| 18 | 209673 |
| 19 | 235825 |
| 20 | 267773 |
| 21 | 268223 |
| 22 | 308671 |
| 23 | 322223 |
| 24 | 371075 |
| 25 | 425723 |
| 26 | 430171 |
| 27 | 445923 |
| 28 | 488975 |
| 29 | 575973 |
| 30 | 591575 |