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 | 25 |
3 | 147 |
4 | 1089 |
5 | 20449 |
6 | 48841 |
7 | 312987 |
8 | 55190041 |
9 | 14322675 |
10 | 100100025 |
11 | 32065374675 |
12 | 4546130625 |
13 | 29873533563 |
14 | 1859904071089 |
15 | 4089135109921 |
16 | 9399479144449 |
17 | 22568149425822049 |
18 | 1293753708921104809 |
19 | 2835106739783283 |
20 | 3289668853728536041 |