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 | 16 |
| 3 | 48 |
| 4 | 320 |
| 5 | 400 |
| 6 | 2256 |
| 7 | 3712 |
| 8 | 3856 |
| 9 | 5168 |
| 10 | 5312 |
| 11 | 5456 |
| 12 | 34960 |
| 13 | 40080 |
| 14 | 41520 |
| 15 | 42240 |
| 16 | 49520 |
| 17 | 55360 |
| 18 | 183696 |
| 19 | 250592 |
| 20 | 308992 |
| 21 | 322096 |
| 22 | 323392 |
| 23 | 388992 |
| 24 | 419888 |
| 25 | 440192 |
| 26 | 446096 |
| 27 | 448688 |
| 28 | 454592 |
| 29 | 505792 |
| 30 | 511696 |
| 31 | 512992 |
| 32 | 3496800 |
| 33 | 3916640 |
| 34 | 31531872 |