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 | 1 |
2 | -6 |
3 | 142 |
4 | 31800 |
5 | -159468264 |
6 | -2481298801008 |
7 | 1414130111428687344 |
8 | 1827317023092830201950080 |
9 | -89946874545119714361987192509568 |
10 | -9262235489215916508714844705185660161280 |