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 | 11101 |
| 2 | 11100 |
| 3 | 10001 |
| 4 | 10000 |
| 5 | 11001101 |
| 6 | 11001100 |
| 7 | 11000001 |
| 8 | 11000000 |
| 9 | 11011101 |
| 10 | 11011100 |
| 11 | 11010001 |
| 12 | 11010000 |
| 13 | 1110100001101 |
| 14 | 1110100001100 |
| 15 | 1110100000001 |
| 16 | 1110100000000 |
| 17 | 1110100011101 |
| 18 | 1110100011100 |
| 19 | 1110100010001 |
| 20 | 1110100010000 |
| 21 | 1110111001101 |
| 22 | 1110111001100 |
| 23 | 1110111000001 |