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 | 2 |
2 | 7 |
3 | 25 |
4 | 90 |
5 | 325 |
6 | 1175 |
7 | 4250 |
8 | 15375 |
9 | 55625 |
10 | 201250 |
11 | 728125 |
12 | 2634375 |
13 | 9531250 |
14 | 34484375 |
15 | 124765625 |
16 | 451406250 |
17 | 1633203125 |
18 | 5908984375 |
19 | 21378906250 |
20 | 77349609375 |
21 | 279853515625 |
22 | 1012519531250 |
23 | 3663330078125 |
24 | 13254052734375 |