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 | 10243 |
| 2 | 12043 |
| 3 | 20143 |
| 4 | 20341 |
| 5 | 20431 |
| 6 | 23041 |
| 7 | 24103 |
| 8 | 30241 |
| 9 | 32401 |
| 10 | 40123 |
| 11 | 40213 |
| 12 | 40231 |
| 13 | 41023 |
| 14 | 41203 |
| 15 | 42013 |
| 16 | 43201 |