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 | 3 |
3 | 151 |
4 | 26512143 |
5 | 318400215865581346424671 |
6 | 1240913164837493520914469575281720548839055905624577375251388717505927743 |