A340427 - cp's OEIS frontend

A340427 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = 4^(2(n-1)(k-1)) * Product_{a=1..n-1} Product_{b=1..k-1} (1 - sin(aPi/(2n))^2 * sin(bPi/(2k))^2).

n	a(n)
1	1
2	1
3	1
4	1
5	12
6	1
7	1
8	140
9	140
10	1
11	1
12	1632
13	17745
14	1632
15	1
16	1
17	19024
18	2227120
19	2227120
20	19024
21	1
22	1
23	221760
24	279215849
25	2958176256
26	279215849
27	221760
28	1
29	1
30	2585024
31	35001302700
32	3909096873216
33	3909096873216
34	35001302700
35	2585024
36	1

[1, 1, 1, 1, 12, 1, 1, 140, 140, 1, 1, 1632, 17745, 1632, 1, 1, 19024, 2227120, 2227120, 19024, 1, 1, 221760, 279215849, 2958176256, 279215849, 221760, 1, 1, 2585024, 35001302700, 3909096873216, 3909096873216, 35001302700, 2585024, 1]

cp's OEIS Frontend

A340427 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = 4^(2(n-1)(k-1)) * Product_{a=1..n-1} Product_{b=1..k-1} (1 - sin(aPi/(2n))^2 * sin(bPi/(2k))^2).

Table of values

List of values

cp's OEIS Frontend

A340427 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = 4^(2*(n-1)*(k-1)) * Product_{a=1..n-1} Product_{b=1..k-1} (1 - sin(a*Pi/(2*n))^2 * sin(b*Pi/(2*k))^2).

Table of values

List of values

A340427 Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) = 4^(2(n-1)(k-1)) * Product_{a=1..n-1} Product_{b=1..k-1} (1 - sin(aPi/(2n))^2 * sin(bPi/(2k))^2).