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 | 603 |
| 2 | 2523 |
| 3 | 4203 |
| 4 | 4923 |
| 5 | 7442 |
| 6 | 10467 |
| 7 | 18027 |
| 8 | 20402 |
| 9 | 54475 |
| 10 | 58923 |
| 11 | 79011 |
| 12 | 97675 |
| 13 | 104211 |
| 14 | 118323 |
| 15 | 120787 |
| 16 | 122571 |
| 17 | 124891 |
| 18 | 132723 |
| 19 | 134307 |
| 20 | 148075 |
| 21 | 200491 |
| 22 | 229707 |
| 23 | 243602 |
| 24 | 246571 |
| 25 | 249307 |
| 26 | 258507 |
| 27 | 303651 |
| 28 | 324331 |
| 29 | 331387 |
| 30 | 370827 |
| 31 | 385675 |