A340428 - cp's OEIS frontend

A340428 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = 4^(2nk) * Product_{a=1..n} Product_{b=1..k} (1 - sin(aPi/(2n+1))^2 * sin(bPi/(2k+1))^2).

n	a(n)
0	1
1	1
2	1
3	1
4	7
5	1
6	1
7	61
8	61
9	1
10	1
11	547
12	4961
13	547
14	1
15	1
16	4921
17	432461
18	432461
19	4921
20	1
21	1
22	44287
23	38484961
24	371647151
25	38484961
26	44287
27	1
28	1
29	398581
30	3445022461
31	330435708793
32	330435708793
33	3445022461
34	398581
35	1

[1, 1, 1, 1, 7, 1, 1, 61, 61, 1, 1, 547, 4961, 547, 1, 1, 4921, 432461, 432461, 4921, 1, 1, 44287, 38484961, 371647151, 38484961, 44287, 1, 1, 398581, 3445022461, 330435708793, 330435708793, 3445022461, 398581, 1]

cp's OEIS Frontend

A340428 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = 4^(2nk) * Product_{a=1..n} Product_{b=1..k} (1 - sin(aPi/(2n+1))^2 * sin(bPi/(2k+1))^2).

Table of values

List of values

cp's OEIS Frontend

A340428 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = 4^(2*n*k) * Product_{a=1..n} Product_{b=1..k} (1 - sin(a*Pi/(2*n+1))^2 * sin(b*Pi/(2*k+1))^2).

Table of values

List of values

A340428 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = 4^(2nk) * Product_{a=1..n} Product_{b=1..k} (1 - sin(aPi/(2n+1))^2 * sin(bPi/(2k+1))^2).