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 | 1 |
2 | 7 |
3 | 30 |
4 | 104 |
5 | 320 |
6 | 912 |
7 | 2464 |
8 | 6400 |
9 | 16128 |
10 | 39680 |
11 | 95744 |
12 | 227328 |
13 | 532480 |
14 | 1232896 |
15 | 2826240 |
16 | 6422528 |
17 | 14483456 |
18 | 32440320 |
19 | 72220672 |
20 | 159907840 |
21 | 352321536 |
22 | 772800512 |
23 | 1688207360 |
24 | 3674210304 |
25 | 7969177600 |
26 | 17230200832 |
27 | 37144756224 |
28 | 79859548160 |
29 | 171261820928 |
30 | 366414397440 |