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 | 3 |
2 | 30 |
3 | 381 |
4 | 5457 |
5 | 84000 |
6 | 1356726 |
7 | 22680705 |
8 | 389100000 |
9 | 6811276449 |
10 | 121177168266 |
11 | 2184600000000 |
12 | 39822674320065 |
13 | 732762138176436 |
14 | 13592289000000000 |
15 | 253896500477864361 |
16 | 4771765283550516435 |
17 | 90167361600000000000 |
18 | 1712019315455953465026 |