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 | 7 |
2 | 151 |
3 | 1972807 |
4 | 1818989407598411628849054391 |
5 | 21382117680737565169124291737211855035830505403680318251383549467509816267540836044857784735512271804718726595516967 |