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 | 7 |
2 | 55 |
3 | 453 |
4 | 3819 |
5 | 32637 |
6 | 281409 |
7 | 2441715 |
8 | 21285411 |
9 | 186225253 |
10 | 1633973125 |
11 | 14370441055 |
12 | 126631522005 |
13 | 1117707358515 |
14 | 9879287145855 |
15 | 87428272217853 |
16 | 774533435844531 |
17 | 6868083093333285 |
18 | 60952616213098789 |
19 | 541342619512077967 |
20 | 4811079933571973329 |