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) |
---|---|
7 | 1 |
8 | 28 |
9 | 546 |
10 | 9450 |
11 | 157773 |
12 | 2637558 |
13 | 44990231 |
14 | 790943153 |
15 | 14409322928 |
16 | 272803210680 |
17 | 5374523477960 |
18 | 110228466184200 |
19 | 2353125040549984 |
20 | 52260903362512720 |
21 | 1206647803780373360 |
22 | 28939583397335447760 |