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 | 10 |
4 | 40 |
5 | 184 |
6 | 948 |
7 | 5384 |
8 | 33300 |
9 | 222192 |
10 | 1587512 |
11 | 12071776 |
12 | 97206544 |
13 | 825343600 |
14 | 7362067888 |
15 | 68772244640 |
16 | 670917511424 |
17 | 6818719677952 |
18 | 72038876668544 |
19 | 789610228149632 |
20 | 8963457852609984 |
21 | 105211331721594368 |
22 | 1275095788516589952 |
23 | 15934546466314258688 |