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 | 4 |
| 2 | 9 |
| 3 | 10 |
| 4 | 121 |
| 5 | 169 |
| 6 | 961 |
| 7 | 1273 |
| 8 | 1843 |
| 9 | 10201 |
| 10 | 10609 |
| 11 | 12769 |
| 12 | 16171 |
| 13 | 44521 |
| 14 | 48361 |
| 15 | 48613 |
| 16 | 94249 |
| 17 | 96721 |
| 18 | 106009 |
| 19 | 108853 |
| 20 | 121879 |
| 21 | 129307 |
| 22 | 445051 |
| 23 | 526567 |
| 24 | 613927 |
| 25 | 1026169 |
| 26 | 1042441 |
| 27 | 1062961 |
| 28 | 1216609 |
| 29 | 1442401 |
| 30 | 1692601 |