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) |
|---|---|
| 0 | 1 |
| 1 | -5 |
| 2 | 2 |
| 3 | -5 |
| 4 | -34 |
| 5 | 3 |
| 6 | -5 |
| 7 | 290 |
| 8 | -105 |
| 9 | 4 |
| 10 | -5 |
| 11 | -1870 |
| 12 | 2055 |
| 13 | -236 |
| 14 | 5 |
| 15 | -5 |
| 16 | 10280 |
| 17 | -30345 |
| 18 | 7864 |
| 19 | -445 |
| 20 | 6 |
| 21 | -5 |
| 22 | -50956 |
| 23 | 377895 |
| 24 | -196256 |
| 25 | 22235 |
| 26 | -750 |
| 27 | 7 |
| 28 | -5 |
| 29 | 234812 |
| 30 | -4194393 |
| 31 | 4090264 |
| 32 | -824485 |
| 33 | 52170 |
| 34 | -1169 |
| 35 | 8 |
| 36 | -5 |
| 37 | -1024900 |
| 38 | 42834855 |
| 39 | -75271592 |
| 40 | 25302875 |
| 41 | -2669430 |
| 42 | 107695 |
| 43 | -1720 |
| 44 | 9 |