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 | 2189 |
| 2 | 7208 |
| 3 | 20538 |
| 4 | 69632 |
| 5 | 127790 |
| 6 | 265375 |
| 7 | 341267 |
| 8 | 461849 |
| 9 | 621457 |
| 10 | 1453179 |
| 11 | 1700469 |
| 12 | 1828994 |
| 13 | 1837608 |
| 14 | 2114852 |
| 15 | 2222674 |
| 16 | 2354838 |
| 17 | 2826692 |
| 18 | 2905552 |
| 19 | 2933084 |
| 20 | 3162302 |
| 21 | 3466663 |
| 22 | 3972552 |
| 23 | 3996543 |
| 24 | 4535984 |
| 25 | 5382039 |
| 26 | 6192528 |
| 27 | 6392223 |