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 | 1 |
| 1 | 2 |
| 2 | 21 |
| 3 | 212 |
| 4 | 21011 |
| 5 | 212022 |
| 6 | 21200101 |
| 7 | 2101100202 |
| 8 | 21202202121 |
| 9 | 2120012010112 |
| 10 | 210110211022111 |
| 11 | 2122111011101222 |
| 12 | 212001222211110201 |
| 13 | 21011210220122222102 |
| 14 | 2101100011201022201221 |
| 15 | 21202200211121122010012 |
| 16 | 2120010121200020001020211 |
| 17 | 210110211001100210002212122 |