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 | 1001 |
| 2 | 10011001 |
| 3 | 10100101 |
| 4 | 11000011 |
| 5 | 100011110001 |
| 6 | 100101101001 |
| 7 | 100110011001 |
| 8 | 101001100101 |
| 9 | 101010010101 |
| 10 | 101100001101 |
| 11 | 110001100011 |
| 12 | 110010010011 |
| 13 | 110100001011 |
| 14 | 111000000111 |
| 15 | 1000011111100001 |
| 16 | 1000101111010001 |