A340166 - cp's OEIS frontend

A340166 a(n) = 4^(2(n-1)^2) Product_{1<=i,j<=n-1} (1 - sin(iPi/(2n))^2 * sin(jPi/(2n))^2).

n	a(n)
1	1
2	12
3	17745
4	2958176256
5	54090331699622625
6	107181043200192494332800000
7	22868509031094388112997259982567521313
8	523389340935243821042846225254323436248483571433472

[1, 12, 17745, 2958176256, 54090331699622625, 107181043200192494332800000, 22868509031094388112997259982567521313, 523389340935243821042846225254323436248483571433472]

cp's OEIS Frontend

A340166 a(n) = 4^(2(n-1)^2) Product_{1<=i,j<=n-1} (1 - sin(iPi/(2n))^2 * sin(jPi/(2n))^2).

Table of values

List of values

cp's OEIS Frontend

A340166 a(n) = 4^(2*(n-1)^2) * Product_{1<=i,j<=n-1} (1 - sin(i*Pi/(2*n))^2 * sin(j*Pi/(2*n))^2).

Table of values

List of values

A340166 a(n) = 4^(2(n-1)^2) Product_{1<=i,j<=n-1} (1 - sin(iPi/(2n))^2 * sin(jPi/(2n))^2).