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) |
---|---|
3 | 1 |
4 | 2 |
5 | 10 |
6 | 30 |
7 | 78 |
8 | 190 |
9 | 508 |
10 | 1210 |
11 | 2744 |
12 | 6070 |
13 | 13236 |
14 | 28594 |
15 | 61360 |
16 | 130990 |
17 | 278444 |
18 | 589738 |
19 | 1245096 |
20 | 2621350 |
21 | 5504932 |
22 | 11534242 |
23 | 24117152 |
24 | 50331550 |
25 | 104857500 |
26 | 218103706 |
27 | 452984728 |
28 | 939523990 |
29 | 1946156948 |
30 | 4026531730 |
31 | 8321499024 |