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 | 7744 |
3 | 47444544 |
4 | 47775744 |
5 | 57577744 |
6 | 4755757444 |
7 | 44547775545744 |
8 | 7557757477754457744 |
9 | 55744775754747577744 |
10 | 74474545477575775744575745574544 |
11 | 747554745554544455555455747745774457774554454557445577744 |