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 | 5 |
2 | 40 |
3 | 360 |
4 | 3495 |
5 | 35726 |
6 | 378965 |
7 | 4133080 |
8 | 46059020 |
9 | 522196465 |
10 | 6004261226 |
11 | 69849651025 |
12 | 820651943130 |
13 | 9723556336780 |
14 | 116056250171385 |
15 | 1394082307995626 |
16 | 16840510019954835 |
17 | 204453614350921540 |
18 | 2493311080293185200 |
19 | 30528431677508637205 |
20 | 375155454309681439001 |