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 | 11 |
| 2 | 44 |
| 3 | 99 |
| 4 | 1616 |
| 5 | 2525 |
| 6 | 3636 |
| 7 | 4949 |
| 8 | 6464 |
| 9 | 8181 |
| 10 | 100100 |
| 11 | 121121 |
| 12 | 144144 |
| 13 | 169169 |
| 14 | 196196 |
| 15 | 225225 |
| 16 | 256256 |
| 17 | 289289 |
| 18 | 324324 |
| 19 | 361361 |
| 20 | 400400 |
| 21 | 441441 |
| 22 | 484484 |
| 23 | 529529 |
| 24 | 576576 |
| 25 | 625625 |
| 26 | 676676 |
| 27 | 729729 |
| 28 | 784784 |
| 29 | 841841 |
| 30 | 900900 |
| 31 | 961961 |
| 32 | 10241024 |
| 33 | 10891089 |
| 34 | 11561156 |