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 | 2 |
2 | 71 |
3 | 8281828459045235360287471 |
4 | 352662497757247093699959574966967627724076630353547594571382178525166427427466391932003059 |