cp's OEIS Frontend

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.

A340562 a(n) = Product_{1<=j,k<=n-1} (4*sin(j*Pi/n)^2 + 4*sin(k*Pi/n)^2).

Table of values

n a(n)
1 1
2 8
3 1296
4 2654208
5 62500000000
6 16314248724480000
7 46246966018211028668416
8 1405124434459231021756179283968
9 453518708737693704370173592484540645376
10 1545285638496177620571506637671497728000000000000

List of values

[1, 8, 1296, 2654208, 62500000000, 16314248724480000, 46246966018211028668416, 1405124434459231021756179283968, 453518708737693704370173592484540645376, 1545285638496177620571506637671497728000000000000]