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 | 0 |
| 2 | 1 |
| 3 | 11 |
| 4 | 121 |
| 5 | 10201 |
| 6 | 11111 |
| 7 | 112211 |
| 8 | 122221 |
| 9 | 1002001 |
| 10 | 1120211 |
| 11 | 11022011 |
| 12 | 100020001 |
| 13 | 101212101 |
| 14 | 122111221 |
| 15 | 1012112101 |
| 16 | 1100220011 |
| 17 | 10000200001 |
| 18 | 10111011101 |
| 19 | 110002200011 |
| 20 | 111221122111 |
| 21 | 1000002000001 |
| 22 | 1001221221001 |
| 23 | 1012200022101 |
| 24 | 1101202021011 |
| 25 | 1221221221221 |
| 26 | 10101111110101 |