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 | 2 |
| 2 | 157 |
| 3 | 72673 |
| 4 | 52472909 |
| 5 | 85790059 |
| 6 | 88573873 |
| 7 | 16903607381 |
| 8 | 4582951241047 |
| 9 | 162717490461611 |
| 10 | 1220077659512857 |
| 11 | 34871545949176799 |