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 | 13 |
| 2 | 130 |
| 3 | 143 |
| 4 | 1300 |
| 5 | 1313 |
| 6 | 1430 |
| 7 | 1443 |
| 8 | 13000 |
| 9 | 13013 |
| 10 | 13130 |
| 11 | 13143 |
| 12 | 14300 |
| 13 | 14313 |
| 14 | 14430 |
| 15 | 14443 |
| 16 | 102342 |
| 17 | 103242 |
| 18 | 120234 |
| 19 | 120324 |
| 20 | 130000 |
| 21 | 130013 |
| 22 | 130130 |
| 23 | 130143 |
| 24 | 131300 |
| 25 | 131313 |
| 26 | 131430 |
| 27 | 131443 |
| 28 | 143000 |
| 29 | 143013 |
| 30 | 143130 |
| 31 | 143143 |
| 32 | 144300 |
| 33 | 144313 |