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 | 6 |
| 1 | 14 |
| 2 | 94 |
| 3 | 4414 |
| 4 | 9741694 |
| 5 | 47450300994814 |
| 6 | 1125765532249223239027447294 |
| 7 | 633674016800188444301553476967536472012841942973961214 |