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 | 15 |
3 | 138 |
4 | 1435 |
5 | 16074 |
6 | 189238 |
7 | 2308640 |
8 | 28927579 |
9 | 370084760 |
10 | 4814147248 |
11 | 63482437724 |
12 | 846678807008 |
13 | 11401357736202 |
14 | 154800183842738 |
15 | 2116833422071448 |
16 | 29128279396373599 |
17 | 403029526567463278 |
18 | 5603854904038673961 |
19 | 78260199678455985082 |
20 | 1097257906416031628336 |