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 | 0 |
2 | 2 |
3 | 3 |
4 | 92 |
5 | 450 |
6 | 14454 |
7 | 141540 |
8 | 4980128 |
9 | 78711696 |
10 | 3048567480 |
11 | 68677353360 |
12 | 2930551701384 |
13 | 86832573553440 |
14 | 4079649847428960 |
15 | 150444517302424800 |
16 | 7768028697749806080 |
17 | 342721736137376184960 |
18 | 19392702029822685015360 |
19 | 994397473912386435004800 |