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) |
---|---|
2 | 4 |
3 | 782757789696 |
4 | 391497025772177207236260602767731880976449536 |
5 | 79571717825565862744861159703491334416072984127575634790474236302905519522005340085288960000000000000000000000 |