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 | 1 |
2 | 2 |
3 | 6 |
4 | 25 |
5 | 130 |
6 | 810 |
7 | 5880 |
8 | 48790 |
9 | 455491 |
10 | 4725020 |
11 | 53915730 |
12 | 671141130 |
13 | 9050528630 |
14 | 131437406100 |
15 | 2045160117000 |
16 | 33944105995801 |
17 | 598591246152934 |
18 | 11176863039391538 |
19 | 220287874849834596 |
20 | 4570225746232479690 |
21 | 99557506547622369750 |
22 | 2272028399094852806100 |