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 | 0 |
1 | 0 |
2 | 3311126603366400 |
3 | 5734420792816671844761600 |
4 | 19009825523840945451297669120000 |
5 | 2131486317725501953125000000000000000 |
6 | 28289221506036457140036932327775928320000 |
7 | 86325573304608766361629193317905069834240000 |