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 | 10 |
2 | 1030 |
3 | 1092730090 |
4 | 1304784252725333839617919270 |
5 | 2221345538213703371536935622204403026741331806706388823688859272519059871168740810 |