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 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 6 |
| 5 | 8 |
| 6 | 9 |
| 7 | 11 |
| 8 | 22 |
| 9 | 88 |
| 10 | 232 |
| 11 | 272 |
| 12 | 303 |
| 13 | 333 |
| 14 | 383 |
| 15 | 434 |
| 16 | 454 |
| 17 | 555 |
| 18 | 787 |
| 19 | 797 |
| 20 | 848 |
| 21 | 999 |
| 22 | 1331 |
| 23 | 3663 |
| 24 | 6666 |
| 25 | 10201 |
| 26 | 14041 |
| 27 | 15951 |
| 28 | 17271 |
| 29 | 21912 |
| 30 | 22122 |
| 31 | 24442 |
| 32 | 26662 |
| 33 | 33433 |
| 34 | 35053 |
| 35 | 40504 |
| 36 | 40804 |
| 37 | 44344 |
| 38 | 44644 |
| 39 | 44844 |
| 40 | 45754 |
| 41 | 55955 |
| 42 | 67976 |
| 43 | 72227 |
| 44 | 72627 |