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 | 90 |
2 | 35496 |
3 | 17841200 |
4 | 9971182584 |
5 | 5916327194316 |
6 | 3648050813115800 |
7 | 2310560873100793632 |
8 | 1492663932178728961080 |
9 | 979042561410295182717884 |
10 | 649927612557635200254228312 |
11 | 435681134491491690959679500160 |
12 | 294430853393989822000413120805880 |