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 | 541 |
| 1 | 2612 |
| 2 | 7803 |
| 3 | 18424 |
| 4 | 37625 |
| 5 | 69516 |
| 6 | 119287 |
| 7 | 193328 |
| 8 | 299349 |
| 9 | 446500 |
| 10 | 645491 |
| 11 | 908712 |
| 12 | 1250353 |
| 13 | 1686524 |
| 14 | 2235375 |
| 15 | 2917216 |
| 16 | 3754637 |
| 17 | 4772628 |
| 18 | 5998699 |
| 19 | 7463000 |
| 20 | 9198441 |
| 21 | 11240812 |
| 22 | 13628903 |
| 23 | 16404624 |
| 24 | 19613125 |
| 25 | 23302916 |
| 26 | 27525987 |
| 27 | 32337928 |
| 28 | 37798049 |
| 29 | 43969500 |