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 | 10 |
| 2 | 1110 |
| 3 | 11110 |
| 4 | 100110 |
| 5 | 1110010110 |
| 6 | 111100111010110 |
| 7 | 100110011110111010110 |
| 8 | 1110010110010011011110111010110 |
| 9 | 1111001110101100111001011010011011110111010110 |