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 | -15 |
| 3 | -96 |
| 4 | -96 |
| 5 | -721 |
| 6 | 575 |
| 7 | -1826 |
| 8 | -1826 |
| 9 | -1826 |
| 10 | 8174 |
| 11 | -6467 |
| 12 | -6467 |
| 13 | -35028 |
| 14 | 3388 |
| 15 | 54013 |
| 16 | 54013 |
| 17 | -29508 |
| 18 | -29508 |
| 19 | -159829 |
| 20 | -159829 |
| 21 | 34652 |
| 22 | 268908 |
| 23 | -10933 |
| 24 | -10933 |
| 25 | -10933 |
| 26 | 446043 |
| 27 | 446043 |
| 28 | 446043 |
| 29 | -261238 |
| 30 | -1071238 |
| 31 | -1994759 |
| 32 | -1994759 |
| 33 | -808838 |
| 34 | 527498 |
| 35 | 2028123 |