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) |
---|---|
1 | 1 |
2 | 30 |
3 | 2700 |
4 | 491400 |
5 | 150368400 |
6 | 69470200800 |
7 | 45155630520000 |
8 | 39285398552400000 |
9 | 44078217175792800000 |
10 | 61973973349164676800000 |
11 | 106719182107261573449600000 |
12 | 220908706962031457040672000000 |
13 | 541226332056977069749646400000000 |
14 | 1548989762347068373623487996800000000 |