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 | -4 |
2 | -824 |
3 | -406944 |
4 | 854857408 |
5 | 36727035808000 |
6 | 1350597603460566528 |
7 | 70169228831160001808384 |
8 | 5261285254051930823802720256 |
9 | 556216363355718012207356567863296 |
10 | 80574670961706857240366003306352640000 |
11 | 15573012689517863187913236259514917169004544 |