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 | 7 |
3 | 42 |
4 | 287 |
5 | 2142 |
6 | 16898 |
7 | 138600 |
8 | 1170037 |
9 | 10098774 |
10 | 88712736 |
11 | 790540296 |
12 | 7128879940 |
13 | 64933227996 |
14 | 596523624144 |
15 | 5520761026854 |
16 | 51424824505054 |
17 | 481741853731110 |
18 | 4535711525840271 |
19 | 42897532229559714 |
20 | 407358615638833341 |
21 | 3882484733036731500 |