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 | 19 |
4 | 145 |
5 | 1401 |
6 | 15331 |
7 | 198283 |
8 | 2840769 |
9 | 45744625 |
10 | 807769891 |
11 | 15590922051 |
12 | 325339538833 |
13 | 7316871562729 |
14 | 175934564213955 |
15 | 4508362093795771 |
16 | 122558873094082561 |
17 | 3522465207528093153 |
18 | 106681726559176156099 |
19 | 3395601487535927589235 |
20 | 113287948824653903674641 |