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 | 36 |
| 3 | 44 |
| 4 | 63 |
| 5 | 288 |
| 6 | 346 |
| 7 | 364 |
| 8 | 436 |
| 9 | 444 |
| 10 | 463 |
| 11 | 634 |
| 12 | 643 |
| 13 | 828 |
| 14 | 882 |
| 15 | 2488 |
| 16 | 2666 |
| 17 | 2848 |
| 18 | 2884 |
| 19 | 3366 |
| 20 | 3446 |
| 21 | 3464 |
| 22 | 3636 |
| 23 | 3644 |
| 24 | 3663 |
| 25 | 4288 |
| 26 | 4346 |
| 27 | 4364 |
| 28 | 4436 |
| 29 | 4444 |
| 30 | 4463 |
| 31 | 4634 |
| 32 | 4643 |
| 33 | 4828 |
| 34 | 4882 |
| 35 | 6266 |
| 36 | 6336 |
| 37 | 6344 |
| 38 | 6363 |
| 39 | 6434 |
| 40 | 6443 |
| 41 | 6626 |
| 42 | 6633 |
| 43 | 6662 |
| 44 | 8248 |
| 45 | 8284 |