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 | -2 |
2 | -152 |
3 | -6848 |
4 | -8103296 |
5 | 22483912960 |
6 | -8062284861440 |
7 | 196434444070666240 |
8 | 532650564250569441280 |
9 | 2039228675045199496806400 |
10 | -5209573728611533514689740800 |
11 | 1172773847164346785332278906060800 |
12 | -14811687653648930753369603156895334400 |
13 | -612441229040578815278149020969838051328000 |