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 | 110 |
| 3 | 1101100 |
| 4 | 110110011100100 |
| 5 | 1101100111001001110110001100100 |
| 6 | 110110011100100111011000110010011101100111001000110110001100100 |