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 | 0 |
1 | 1 |
2 | 5 |
3 | 23 |
4 | 116 |
5 | 669 |
6 | 4429 |
7 | 33375 |
8 | 283072 |
9 | 2673321 |
10 | 27845293 |
11 | 317274407 |
12 | 3926774180 |
13 | 52469606981 |
14 | 752922837861 |
15 | 11549166072847 |
16 | 188596608142560 |
17 | 3266826328953745 |
18 | 59830416584102325 |
19 | 1155208913864163511 |
20 | 23453274942011893556 |
21 | 499481183766226468013 |