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) |
---|---|
1 | 4 |
2 | 16 |
3 | 84 |
4 | 536 |
5 | 4004 |
6 | 34176 |
7 | 327604 |
8 | 3481096 |
9 | 40585284 |
10 | 514872176 |
11 | 7058605844 |
12 | 103969203576 |
13 | 1637182717924 |
14 | 27442553929696 |
15 | 487806792137844 |
16 | 9164718013496936 |
17 | 181446744138509444 |
18 | 3775570370986139856 |