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 | 20 |
2 | 380 |
3 | 7220 |
4 | 137180 |
5 | 2606230 |
6 | 49514760 |
7 | 940712040 |
8 | 17872229160 |
9 | 339547661640 |
10 | 6450936451470 |
11 | 122558879953620 |
12 | 2328449391567180 |
13 | 44237321450224020 |
14 | 840447989197392780 |
15 | 15967350630411275430 |