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 | 229597439051324561817600 |
2 | 14636855916969695633965120680532377600 |
3 | 85696576147617709485896772387584983695360000000 |
4 | 3177180118884729605172792434692382812500000000000000000 |