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 | 20 |
2 | 150 |
3 | 700 |
4 | 2450 |
5 | 7056 |
6 | 17640 |
7 | 39600 |
8 | 81675 |
9 | 157300 |
10 | 286286 |
11 | 496860 |
12 | 828100 |
13 | 1332800 |
14 | 2080800 |
15 | 3162816 |
16 | 4694805 |
17 | 6822900 |
18 | 9728950 |
19 | 13636700 |
20 | 18818646 |
21 | 25603600 |
22 | 34385000 |
23 | 45630000 |
24 | 59889375 |
25 | 77808276 |
26 | 100137870 |
27 | 127747900 |