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 | 919 |
2 | 990599 |
3 | 99901999 |
4 | 9999049999 |
5 | 99999199999 |
6 | 99999901999999 |
7 | 9999999239999999 |
8 | 99999999299999999 |
9 | 9999999992999999999 |
10 | 9999999999049999999999 |
11 | 999999999990599999999999 |
12 | 99999999999904999999999999 |