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 | 3 |
2 | 1 |
3 | -3 |
4 | -3 |
5 | 3 |
6 | 9 |
7 | 9 |
8 | 9 |
9 | 27 |
10 | 81 |
11 | 189 |
12 | 405 |
13 | 891 |
14 | 2025 |
15 | 4617 |
16 | 10449 |
17 | 23571 |
18 | 53217 |
19 | 120285 |
20 | 271917 |
21 | 614547 |
22 | 1388745 |
23 | 3138345 |
24 | 7092441 |
25 | 16028523 |
26 | 36223281 |
27 | 81861597 |
28 | 185000517 |
29 | 418086603 |
30 | 944843049 |
31 | 2135270889 |
32 | 4825543329 |
33 | 10905346467 |
34 | 24645222081 |
35 | 55696256829 |
36 | 125869143645 |