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 | 6 |
| 3 | 8 |
| 4 | 9 |
| 5 | 121 |
| 6 | 1331 |
| 7 | 5445 |
| 8 | 10201 |
| 9 | 13231 |
| 10 | 14641 |
| 11 | 15251 |
| 12 | 18281 |
| 13 | 19291 |
| 14 | 31613 |
| 15 | 35653 |
| 16 | 37673 |
| 17 | 38683 |
| 18 | 52525 |
| 19 | 59895 |
| 20 | 1030301 |
| 21 | 1336331 |
| 22 | 3192913 |
| 23 | 8117118 |
| 24 | 104060401 |
| 25 | 134969431 |
| 26 | 286121682 |
| 27 | 319464913 |
| 28 | 677707776 |