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 | 10101 |
| 2 | 11111 |
| 3 | 101121 |
| 4 | 220212 |
| 5 | 222001 |
| 6 | 1022011 |
| 7 | 1111221 |
| 8 | 2010002 |
| 9 | 2101001 |
| 10 | 2121001 |
| 11 | 10101022 |
| 12 | 10122201 |
| 13 | 10201001 |
| 14 | 10212111 |
| 15 | 11111112 |
| 16 | 11121201 |
| 17 | 12010221 |
| 18 | 20210202 |
| 19 | 21121121 |
| 20 | 100001111 |
| 21 | 101010101 |
| 22 | 102112011 |
| 23 | 110020001 |
| 24 | 112112001 |
| 25 | 120002211 |
| 26 | 122000101 |
| 27 | 201201201 |
| 28 | 202212002 |