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 | 3 |
2 | 73 |
3 | 773 |
4 | 7773 |
5 | 77773 |
6 | 777773 |
7 | 7777773 |
8 | 77777773 |
9 | 777777773 |
10 | 7777777773 |
11 | 77777777773 |
12 | 777777777773 |
13 | 7777777777773 |
14 | 77777777777773 |
15 | 777777777777773 |
16 | 7777777777777773 |
17 | 77777777777777773 |
18 | 777777777777777773 |
19 | 7777777777777777773 |
20 | 77777777777777777773 |
21 | 777777777777777777773 |