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 | 1010 |
| 3 | 110100 |
| 4 | 11010100 |
| 5 | 1101100100 |
| 6 | 110110100100 |
| 7 | 11101010101000 |
| 8 | 1110110101001000 |
| 9 | 111011010101001000 |
| 10 | 11101101101001001000 |
| 11 | 1110111010101010001000 |
| 12 | 111011101010101010001000 |
| 13 | 11110110110101010010010000 |
| 14 | 1111011011010101010010010000 |
| 15 | 111101110101101010010100010000 |