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 | 101 |
| 1 | 111 |
| 2 | 101 |
| 3 | 10001 |
| 4 | 101101 |
| 5 | 1010101 |
| 6 | 1001001 |
| 7 | 101101 |
| 8 | 1010101 |
| 9 | 10011001 |
| 10 | 10011001 |
| 11 | 10111101 |
| 12 | 100111001 |
| 13 | 100101001 |
| 14 | 10111101 |
| 15 | 10111101 |
| 16 | 100111001 |
| 17 | 1000110001 |
| 18 | 1000110001 |
| 19 | 1001111001 |
| 20 | 1001111001 |
| 21 | 1001111001 |
| 22 | 1011111101 |
| 23 | 1011111101 |
| 24 | 10001110001 |
| 25 | 10001010001 |