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 | 2701 |
| 2 | 18721 |
| 3 | 31621 |
| 4 | 49141 |
| 5 | 83333 |
| 6 | 83665 |
| 7 | 88561 |
| 8 | 90751 |
| 9 | 93961 |
| 10 | 104653 |
| 11 | 107185 |
| 12 | 176149 |
| 13 | 204001 |
| 14 | 226801 |
| 15 | 228241 |
| 16 | 276013 |
| 17 | 282133 |
| 18 | 534061 |
| 19 | 563473 |
| 20 | 574561 |
| 21 | 622909 |
| 22 | 653333 |
| 23 | 665281 |