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 | 20345 |
| 2 | 23405 |
| 3 | 30245 |
| 4 | 30425 |
| 5 | 32045 |
| 6 | 40235 |
| 7 | 40325 |
| 8 | 42035 |
| 9 | 43025 |
| 10 | 45050 |
| 11 | 45450 |
| 12 | 50450 |
| 13 | 52023 |
| 14 | 22043435 |
| 15 | 22053335 |
| 16 | 23234545 |
| 17 | 23344501 |
| 18 | 23452345 |
| 19 | 24034455 |
| 20 | 24243535 |
| 21 | 24352435 |
| 22 | 24403451 |
| 23 | 24433051 |
| 24 | 30034454 |
| 25 | 30202455 |
| 26 | 30334045 |
| 27 | 30340454 |
| 28 | 30424235 |