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 | 265 |
| 1 | 2119 |
| 2 | 9403 |
| 3 | 30637 |
| 4 | 81901 |
| 5 | 190435 |
| 6 | 398959 |
| 7 | 770713 |
| 8 | 1395217 |
| 9 | 2394751 |
| 10 | 3931555 |
| 11 | 6215749 |
| 12 | 9513973 |
| 13 | 14158747 |
| 14 | 20558551 |
| 15 | 29208625 |
| 16 | 40702489 |
| 17 | 55744183 |
| 18 | 75161227 |
| 19 | 99918301 |
| 20 | 131131645 |
| 21 | 170084179 |
| 22 | 218241343 |
| 23 | 277267657 |
| 24 | 349044001 |
| 25 | 435685615 |