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 | 4 |
2 | 20 |
3 | 116 |
4 | 756 |
5 | 5428 |
6 | 42356 |
7 | 355636 |
8 | 3188340 |
9 | 30333492 |
10 | 304716148 |
11 | 3218555700 |
12 | 35618229364 |
13 | 411717043252 |
14 | 4957730174836 |
15 | 62045057731892 |
16 | 805323357485684 |
17 | 10820999695801908 |
18 | 150271018666120564 |
19 | 2153476417340487476 |