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 | 1 |
| 2 | 100 |
| 3 | 101 |
| 4 | 10010 |
| 5 | 10000 |
| 6 | 10001 |
| 7 | 10100 |
| 8 | 10101 |
| 9 | 1001010 |
| 10 | 1001000 |
| 11 | 1001001 |
| 12 | 1000010 |
| 13 | 1000000 |
| 14 | 1000001 |
| 15 | 1000100 |
| 16 | 1000101 |
| 17 | 1010010 |
| 18 | 1010000 |
| 19 | 1010001 |
| 20 | 1010100 |
| 21 | 1010101 |
| 22 | 100101010 |
| 23 | 100101000 |
| 24 | 100101001 |
| 25 | 100100010 |
| 26 | 100100000 |
| 27 | 100100001 |
| 28 | 100100100 |
| 29 | 100100101 |
| 30 | 100001010 |