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 | 4 |
3 | 10 |
4 | 30 |
5 | 90 |
6 | 264 |
7 | 754 |
8 | 2106 |
9 | 5778 |
10 | 15628 |
11 | 41786 |
12 | 110678 |
13 | 290858 |
14 | 759312 |
15 | 1971042 |
16 | 5091442 |
17 | 13095586 |
18 | 33555988 |
19 | 85695978 |
20 | 218198158 |
21 | 554081146 |
22 | 1403588376 |
23 | 3547702610 |
24 | 8949110954 |
25 | 22532603954 |
26 | 56637795100 |
27 | 142141826074 |
28 | 356212187334 |
29 | 891481312842 |