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 | 1 |
3 | 6 |
4 | 55 |
5 | 622 |
6 | 8015 |
7 | 113164 |
8 | 1711898 |
9 | 27357970 |
10 | 457507917 |
11 | 7952476482 |
12 | 142972019125 |
13 | 2648639456048 |
14 | 50415218306637 |
15 | 983728646223556 |
16 | 19641163430509505 |
17 | 400671660024507294 |
18 | 8340743906266061866 |
19 | 176998642509849677206 |
20 | 3825680705425292568049 |
21 | 84159282700462688412042 |