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 | 11101 |
| 2 | 101111 |
| 3 | 10111101 |
| 4 | 1000110011 |
| 5 | 1110111111 |
| 6 | 101001101011 |
| 7 | 111011111101 |
| 8 | 10001111001001 |
| 9 | 11001011100111 |
| 10 | 11010111101101 |
| 11 | 1000100110001011 |
| 12 | 1001010110010111 |
| 13 | 1011001110110101 |
| 14 | 1011111111000001 |
| 15 | 1100010111000111 |