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) |
---|---|
1 | 1 |
2 | 3 |
3 | 18 |
4 | 153 |
5 | 1638 |
6 | 20898 |
7 | 307908 |
8 | 5134293 |
9 | 95518278 |
10 | 1961333838 |
11 | 44069970348 |
12 | 1075902476058 |
13 | 28367410077468 |
14 | 803551902237828 |
15 | 24342558819042888 |
16 | 785445178323709773 |
17 | 26896354975287884358 |
18 | 974297972094661642518 |
19 | 37225733779871789177628 |
20 | 1496237868417003741147438 |