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 | 5 |
3 | 10 |
4 | 28 |
5 | 160 |
6 | 1720 |
7 | 41022 |
8 | 1755214 |
9 | 133749406 |
10 | 16326765766 |
11 | 3043575378184 |
12 | 824056192305914 |
13 | 310985745617574548 |
14 | 158093565346546280550 |
15 | 105246070758368902737088 |
16 | 89604855320176022422345626 |
17 | 95625469041357230765320405676 |
18 | 125735670539766378990148368604358 |
19 | 200685953917230887657316431262249112 |