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 | 1 |
1 | 10 |
2 | 1540 |
3 | 125512750 |
4 | 1250002537502500 |
5 | 1250000000501250002500000 |
6 | 125000000000000250375000000250000000 |
7 | 1250000000000000000005001250000000002500000000000 |