A340430 - cp's OEIS frontend

A340430 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 - cos(aPi/(2n+1))^2 * cos(bPi/(2k+1))^2).

n	a(n)
0	1
1	1
2	1
3	1
4	15
5	1
6	1
7	209
8	209
9	1
10	1
11	2911
12	32625
13	2911
14	1
15	1
16	40545
17	5015009
18	5015009
19	40545
20	1
21	1
22	564719
23	770100001
24	8238791743
25	770100001
26	564719
27	1
28	1
29	7865521
30	118247646001
31	13441754883649
32	13441754883649
33	118247646001
34	7865521
35	1

[1, 1, 1, 1, 15, 1, 1, 209, 209, 1, 1, 2911, 32625, 2911, 1, 1, 40545, 5015009, 5015009, 40545, 1, 1, 564719, 770100001, 8238791743, 770100001, 564719, 1, 1, 7865521, 118247646001, 13441754883649, 13441754883649, 118247646001, 7865521, 1]

cp's OEIS Frontend

A340430 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 - cos(aPi/(2n+1))^2 * cos(bPi/(2k+1))^2).

Table of values

List of values

cp's OEIS Frontend

A340430 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 - cos(a*Pi/(2*n+1))^2 * cos(b*Pi/(2*k+1))^2).

Table of values

List of values

A340430 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 - cos(aPi/(2n+1))^2 * cos(bPi/(2k+1))^2).