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 | 7 |
| 2 | 61 |
| 3 | 223 |
| 4 | 709 |
| 5 | 59029 |
| 6 | 177127 |
| 7 | 1162261447 |
| 8 | 3486784381 |
| 9 | 94143178807 |
| 10 | 847288609423 |
| 11 | 2541865828309 |
| 12 | 7509466514979724803946715958257527 |
| 13 | 147808829414345923316083210206383297581 |
| 14 | 26183890704263137277674192438430182020124327 |