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 | 0 |
2 | 2 |
3 | 5 |
4 | 19 |
5 | 89 |
6 | 1999 |
7 | 59999 |
8 | 4999999 |
9 | 599999999 |
10 | 199999999999 |
11 | 399999999999999 |
12 | 799999999999999999 |
13 | 8999999999999999999999 |
14 | 499999999999999999999999999 |
15 | 29999999999999999999999999999999 |
16 | 4999999999999999999999999999999999999 |