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) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 16 |
5 | 126 |
6 | 1333 |
7 | 17895 |
8 | 293461 |
9 | 5721390 |
10 | 129948787 |
11 | 3384796695 |
12 | 99848190706 |
13 | 3301868304168 |
14 | 121369298328835 |
15 | 4923587573624940 |
16 | 219090125559917698 |
17 | 10637377855875861600 |
18 | 560928617456424367993 |
19 | 31993928581562975604588 |
20 | 1966682218962058310721178 |