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 | 14 |
| 2 | -1486 |
| 3 | -67900 |
| 4 | 6547756 |
| 5 | 548499784 |
| 6 | -47387630984 |
| 7 | -6198886653904 |
| 8 | 471157554050960 |
| 9 | 90008424571645664 |
| 10 | -5872265109220393184 |
| 11 | -1596153412824165573056 |
| 12 | 86302501271257396667584 |
| 13 | 33424995502240561479908480 |
| 14 | -1419140555765946374814673024 |