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 | 2025 |
2 | 24502500 |
3 | 249500250000 |
4 | 2499500025000000 |
5 | 24999500002500000000 |
6 | 249999500000250000000000 |
7 | 2499999500000025000000000000 |
8 | 24999999500000002500000000000000 |
9 | 249999999500000000250000000000000000 |
10 | 2499999999500000000025000000000000000000 |