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 | 12857142857142857142857142857142857143 |
2 | 25714285714285714285714285714285714286 |
3 | 117391304347826086956521739130434782608695652173913043478261 |