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 | 1 |
2 | 85 |
3 | 17467988 |
4 | 2652709797555700 |
5 | -31887567679999704368444416 |
6 | -19545503919145188068282045605299993931776 |
7 | 4067279303127129300135103866787550140697786459885666304000 |
8 | 34322785008286059488919151392862698816528603867951539153613244229443277820002304000 |