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 | 3 |
3 | 18 |
4 | 160 |
5 | 1830 |
6 | 25074 |
7 | 395248 |
8 | 6990876 |
9 | 136464705 |
10 | 2906040280 |
11 | 66938704602 |
12 | 1656963703434 |
13 | 43848218457953 |
14 | 1235194571623950 |
15 | 36905133359883240 |
16 | 1165832901366137184 |
17 | 38830278855693956931 |
18 | 1360186936717777641747 |
19 | 49995325008141402758320 |