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 | 14 |
4 | 68 |
5 | 362 |
6 | 2224 |
7 | 14940 |
8 | 110348 |
9 | 878600 |
10 | 7518002 |
11 | 68529122 |
12 | 662709832 |
13 | 6764329158 |
14 | 72622813172 |
15 | 817239648500 |
16 | 9612724174088 |
17 | 117878757097178 |
18 | 1503660164683864 |
19 | 19911519090176808 |
20 | 273221610513382028 |
21 | 3878513600608651636 |
22 | 56873187579428449852 |
23 | 860296560100458300892 |