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) |
|---|---|
| 0 | 775 |
| 1 | 1674 |
| 2 | 2325 |
| 3 | 5022 |
| 4 | 8919 |
| 5 | 23976 |
| 6 | 26757 |
| 7 | 47376 |
| 8 | 49581 |
| 9 | 96048 |
| 10 | 102669 |
| 11 | 193056 |
| 12 | 197469 |
| 13 | 388704 |
| 14 | 401949 |
| 15 | 779328 |
| 16 | 788157 |
| 17 | 1563840 |
| 18 | 1590333 |
| 19 | 3131520 |
| 20 | 3149181 |
| 21 | 6273408 |
| 22 | 6326397 |
| 23 | 12554496 |
| 24 | 12589821 |
| 25 | 25129728 |
| 26 | 25235709 |
| 27 | 50274816 |
| 28 | 50345469 |