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) |
---|---|
0 | 0 |
1 | 729 |
2 | 970299 |
3 | 997002999 |
4 | 999700029999 |
5 | 999970000299999 |
6 | 999997000002999999 |
7 | 999999700000029999999 |
8 | 999999970000000299999999 |
9 | 999999997000000002999999999 |
10 | 999999999700000000029999999999 |
11 | 999999999970000000000299999999999 |
12 | 999999999997000000000002999999999999 |