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 | 0 |
1 | 5 |
2 | 39 |
3 | 272 |
4 | 1869 |
5 | 12815 |
6 | 87840 |
7 | 602069 |
8 | 4126647 |
9 | 28284464 |
10 | 193864605 |
11 | 1328767775 |
12 | 9107509824 |
13 | 62423800997 |
14 | 427859097159 |
15 | 2932589879120 |
16 | 20100270056685 |
17 | 137769300517679 |
18 | 944284833567072 |
19 | 6472224534451829 |
20 | 44361286907595735 |
21 | 304056783818718320 |