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 | 297 |
| 2 | 20656 |
| 3 | 1194898 |
| 4 | 61846403 |
| 5 | 3001883019 |
| 6 | 139139776965 |
| 7 | 6255225014290 |
| 8 | 274516401002582 |
| 9 | 11809166397959784 |
| 10 | 499226777653438730 |
| 11 | 20791732909081189037 |