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 | 9 |
3 | 120 |
4 | 1839 |
5 | 30862 |
6 | 548783 |
7 | 10160786 |
8 | 193811734 |
9 | 3782270289 |
10 | 75158649892 |
11 | 1515578476370 |
12 | 30935212293083 |
13 | 637920390487505 |
14 | 13269865608471203 |
15 | 278121828806207328 |
16 | 5867506406619195047 |
17 | 124502776024601555996 |
18 | 2655381364988431518262 |
19 | 56892952987400631546208 |
20 | 1223972213493916563960331 |