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 | 0 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 52 |
| 6 | 60 |
| 7 | 96 |
| 8 | 140 |
| 9 | 184 |
| 10 | 276 |
| 11 | 368 |
| 12 | 376 |
| 13 | 384 |
| 14 | 392 |
| 15 | 428 |
| 16 | 436 |
| 17 | 472 |
| 18 | 656 |
| 19 | 660 |
| 20 | 3412 |
| 21 | 4144 |
| 22 | 4152 |
| 23 | 6168 |
| 24 | 6764 |
| 25 | 8048 |
| 26 | 8052 |
| 27 | 8056 |
| 28 | 8060 |
| 29 | 8068 |