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 | 1 |
| 3 | 11 |
| 4 | 1156 |
| 5 | 1156141 |
| 6 | 11560850121 |
| 7 | 1156078457100065 |
| 8 | 11560777079611640798854 |
| 9 | 1156077623683098402586161358986 |
| 10 | 1156077622746675519639905953267558458549 |