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 | 3 |
3 | 12 |
4 | 49 |
5 | 200 |
6 | 816 |
7 | 3329 |
8 | 13581 |
9 | 55405 |
10 | 226030 |
11 | 922111 |
12 | 3761840 |
13 | 15346786 |
14 | 62608681 |
15 | 255418101 |
16 | 1042002567 |
17 | 4250949112 |
18 | 17342153393 |
19 | 70748973084 |
20 | 288627200960 |
21 | 1177482265857 |
22 | 4803651498529 |
23 | 19596955630177 |