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) |
|---|---|
| 2 | 1001 |
| 3 | 2101 |
| 4 | 21301 |
| 5 | 222101 |
| 6 | 2304401 |
| 7 | 23553101 |
| 8 | 244153501 |
| 9 | 2520607101 |
| 10 | 25937424601 |
| 11 | 267120945101 |