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 | 9 |
3 | 56 |
4 | 400 |
5 | 3095 |
6 | 25240 |
7 | 213633 |
8 | 1859006 |
9 | 16527544 |
10 | 149472480 |
11 | 1370794835 |
12 | 12718060947 |
13 | 119158146283 |
14 | 1125816405458 |
15 | 10714275588727 |
16 | 102615375322564 |
17 | 988302823695146 |
18 | 9565859385140272 |
19 | 93000625498797314 |
20 | 907782305262566776 |
21 | 8892941663606408172 |