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 | 1 |
| 2 | 12 |
| 3 | 48 |
| 4 | 16 |
| 5 | -414 |
| 6 | -960 |
| 7 | 672 |
| 8 | 4800 |
| 9 | 2721 |
| 10 | -9064 |
| 11 | -8880 |
| 12 | 6912 |
| 13 | -2398 |
| 14 | -13440 |
| 15 | 29280 |
| 16 | 30976 |
| 17 | -10878 |
| 18 | 57228 |
| 19 | -9360 |
| 20 | -252384 |
| 21 | -53760 |
| 22 | 177600 |
| 23 | -113952 |
| 24 | 107520 |
| 25 | 436131 |
| 26 | -16488 |
| 27 | 150624 |
| 28 | 96768 |
| 29 | -915678 |
| 30 | -585600 |
| 31 | -32640 |
| 32 | 248832 |
| 33 | 710400 |
| 34 | -466408 |