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 | 0 |
| 3 | 28 |
| 4 | 136 |
| 5 | 360 |
| 6 | 696 |
| 7 | 1144 |
| 8 | 1704 |
| 9 | 2376 |
| 10 | 3160 |
| 11 | 4056 |
| 12 | 5064 |
| 13 | 6184 |
| 14 | 7416 |
| 15 | 8760 |
| 16 | 10216 |
| 17 | 11784 |
| 18 | 13464 |
| 19 | 15256 |
| 20 | 17160 |
| 21 | 19176 |
| 22 | 21304 |
| 23 | 23544 |
| 24 | 25896 |
| 25 | 28360 |
| 26 | 30936 |
| 27 | 33624 |
| 28 | 36424 |
| 29 | 39336 |
| 30 | 42360 |
| 31 | 45496 |
| 32 | 48744 |
| 33 | 52104 |
| 34 | 55576 |
| 35 | 59160 |