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) |
---|---|
0 | 4 |
1 | 28 |
2 | 19684 |
3 | 7625597484988 |
4 | 443426488243037769948249630619149892804 |
5 | 87189642485960958202911070585860771696964072404731750085525219437990967093723439943475549906831683116791055225665628 |