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 | 28 |
| 3 | 108 |
| 4 | 268 |
| 5 | 544 |
| 6 | 972 |
| 7 | 1576 |
| 8 | 2392 |
| 9 | 3456 |
| 10 | 4792 |
| 11 | 6436 |
| 12 | 8424 |
| 13 | 10780 |
| 14 | 13540 |
| 15 | 16740 |
| 16 | 20404 |
| 17 | 24568 |
| 18 | 29268 |
| 19 | 34528 |
| 20 | 40384 |
| 21 | 46872 |
| 22 | 54016 |
| 23 | 61852 |
| 24 | 70416 |
| 25 | 79732 |
| 26 | 89836 |
| 27 | 100764 |
| 28 | 112540 |
| 29 | 125200 |
| 30 | 138780 |
| 31 | 153304 |
| 32 | 168808 |
| 33 | 185328 |
| 34 | 202888 |
| 35 | 221524 |
| 36 | 241272 |