A340291 - cp's OEIS frontend

A340291 a(n) = 4^(2n^2) Product_{1<=j,k<=n} (1 - cos(jPi/(2n+1))^2 * cos(kPi/(2n+1))^2).

n	a(n)
0	1
1	15
2	32625
3	8238791743
4	230629380093001665
5	703130165949449759361247759
6	231459008314298532714943209968328640625
7	8186710889725936196671113787217620194601044287109375

[1, 15, 32625, 8238791743, 230629380093001665, 703130165949449759361247759, 231459008314298532714943209968328640625, 8186710889725936196671113787217620194601044287109375]

cp's OEIS Frontend

A340291 a(n) = 4^(2n^2) Product_{1<=j,k<=n} (1 - cos(jPi/(2n+1))^2 * cos(kPi/(2n+1))^2).

Table of values

List of values

cp's OEIS Frontend

A340291 a(n) = 4^(2*n^2) * Product_{1<=j,k<=n} (1 - cos(j*Pi/(2*n+1))^2 * cos(k*Pi/(2*n+1))^2).

Table of values

List of values

A340291 a(n) = 4^(2n^2) Product_{1<=j,k<=n} (1 - cos(jPi/(2n+1))^2 * cos(kPi/(2n+1))^2).