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 | 4 |
| 2 | 8 |
| 3 | 44 |
| 4 | 48 |
| 5 | 84 |
| 6 | 88 |
| 7 | 444 |
| 8 | 448 |
| 9 | 484 |
| 10 | 488 |
| 11 | 844 |
| 12 | 848 |
| 13 | 884 |
| 14 | 888 |
| 15 | 4444 |
| 16 | 4448 |
| 17 | 4484 |
| 18 | 4488 |
| 19 | 4844 |
| 20 | 4848 |
| 21 | 4884 |
| 22 | 4888 |
| 23 | 8444 |
| 24 | 8448 |
| 25 | 8484 |
| 26 | 8488 |
| 27 | 8844 |
| 28 | 8848 |
| 29 | 8884 |
| 30 | 8888 |
| 31 | 44444 |
| 32 | 44448 |
| 33 | 44484 |
| 34 | 44488 |
| 35 | 44844 |
| 36 | 44848 |
| 37 | 44884 |
| 38 | 44888 |
| 39 | 48444 |
| 40 | 48448 |
| 41 | 48484 |
| 42 | 48488 |
| 43 | 48844 |
| 44 | 48848 |