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 | 1 |
| 2 | 3 |
| 3 | 10 |
| 4 | 300 |
| 5 | 3003 |
| 6 | 10011 |
| 7 | 303031 |
| 8 | 1010331 |
| 9 | 1030330 |
| 10 | 1313010 |
| 11 | 101111310 |
| 12 | 113033130 |
| 13 | 1033010331 |
| 14 | 11031100311 |
| 15 | 11033031331 |
| 16 | 31031010003 |
| 17 | 111111101310 |
| 18 | 313313301003 |
| 19 | 10113301131300 |
| 20 | 3330130113300130003 |
| 21 | 1113011003000100031311 |
| 22 | 11013033300110103011310 |