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 | 1 |
3 | 4 |
4 | 13 |
5 | 84 |
6 | 469 |
7 | 4208 |
8 | 33433 |
9 | 386064 |
10 | 3984681 |
11 | 56523072 |
12 | 718210725 |
13 | 12121690944 |
14 | 183013440765 |
15 | 3589856932608 |
16 | 62801454477105 |
17 | 1406019035808000 |
18 | 27970921286867025 |
19 | 704535958463063040 |