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 | 4 |
| 2 | 6 |
| 3 | 9 |
| 4 | 22 |
| 5 | 123 |
| 6 | 213 |
| 7 | 321 |
| 8 | 1142 |
| 9 | 1214 |
| 10 | 1241 |
| 11 | 4121 |
| 12 | 11215 |
| 13 | 11521 |
| 14 | 12115 |
| 15 | 12151 |
| 16 | 21151 |
| 17 | 22121 |
| 18 | 51211 |
| 19 | 111261 |
| 20 | 112611 |
| 21 | 116121 |
| 22 | 116211 |
| 23 | 121161 |
| 24 | 162111 |
| 25 | 211611 |
| 26 | 261111 |
| 27 | 621111 |
| 28 | 1111217 |
| 29 | 1111413 |
| 30 | 1111431 |
| 31 | 1111721 |
| 32 | 1112117 |
| 33 | 1117121 |
| 34 | 1117211 |
| 35 | 1121117 |
| 36 | 1121171 |
| 37 | 1121711 |