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 | 4 |
3 | 20 |
4 | 123 |
5 | 902 |
6 | 7656 |
7 | 73509 |
8 | 785154 |
9 | 9213324 |
10 | 117624569 |
11 | 1621028312 |
12 | 23959376436 |
13 | 377730250003 |
14 | 6322478398476 |
15 | 111904530008040 |
16 | 2087093471665987 |
17 | 40891426070289970 |
18 | 839329531471890724 |
19 | 18004595602417946685 |
20 | 402747680140030433886 |
21 | 9376084240910510840672 |
22 | 226760664399026618376569 |