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.

A341478 a(n) = sqrt( Product_{1<=j<=n-1} Product_{1<=k<=n} (4*sin(j*Pi/n)^2 + 4*sin((2*k-1)*Pi/(2*n))^2) ).

Table of values

n a(n)
0 1
1 1
2 6
3 112
4 6664
5 1270016
6 776239200
7 1522266730496
8 9580300901941376
9 193509323594243571712
10 12545297912843041612924416
11 2610531939025273190037188509696
12 1743627211475190637398673259679582208

List of values

[1, 1, 6, 112, 6664, 1270016, 776239200, 1522266730496, 9580300901941376, 193509323594243571712, 12545297912843041612924416, 2610531939025273190037188509696, 1743627211475190637398673259679582208]