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 | 0 |
1 | 2 |
2 | 20 |
3 | 150 |
4 | 1256 |
5 | 12650 |
6 | 151932 |
7 | 2127230 |
8 | 34035920 |
9 | 612646866 |
10 | 12252937700 |
11 | 269564629862 |
12 | 6469551117240 |
13 | 168208329048890 |
14 | 4709833213369676 |
15 | 141294996401091150 |
16 | 4521439884834917792 |
17 | 153728956084387206050 |