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 | 1 |
2 | 1 |
3 | 15 |
4 | 169 |
5 | 1800 |
6 | 20371 |
7 | 244910 |
8 | 3040077 |
9 | 38536220 |
10 | 497448748 |
11 | 6520390159 |
12 | 86537978247 |
13 | 1160501200072 |
14 | 15701226207738 |
15 | 214065289477684 |
16 | 2938015568578373 |
17 | 40560724227425738 |
18 | 562873413404115624 |
19 | 7847402027686786922 |
20 | 109861412175159915140 |