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 | 1 |
| 2 | 4357 |
| 3 | 230065 |
| 4 | 32826947 |
| 5 | 29578097627 |
| 6 | 136736829787 |
| 7 | 1449657373945 |
| 8 | 39153480154471 |
| 9 | 275533558444523 |
| 10 | 442844575927975 |
| 11 | 879110348271737 |