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 | 504 |
2 | 270648 |
3 | 144912096 |
4 | 77599626552 |
5 | 41553943041744 |
6 | 22251789971649504 |
7 | 11915647845248387520 |
8 | 6380729991419236488504 |
9 | 3416827666558895485479576 |
10 | 1829682703808504464920468048 |
11 | 979779820147442370107345764512 |