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) |
|---|---|
| 0 | 0 |
| 1 | 1001 |
| 2 | 10010 |
| 3 | 11011 |
| 4 | 100100 |
| 5 | 101101 |
| 6 | 110110 |
| 7 | 111111 |
| 8 | 1001000 |
| 9 | 1001001 |
| 10 | 1011010 |
| 11 | 1011011 |
| 12 | 1101100 |
| 13 | 1101101 |
| 14 | 1111110 |
| 15 | 1111111 |
| 16 | 10010000 |
| 17 | 10010010 |
| 18 | 10011001 |
| 19 | 10011011 |
| 20 | 10110100 |
| 21 | 10110110 |
| 22 | 10111101 |
| 23 | 10111111 |
| 24 | 11011000 |