A340476 - cp's OEIS frontend

A340476 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Product_{a=1..n} Product_{b=1..k} (4sin(aPi/(2n+1))^2 + 4cos(bPi/(2k+1))^2).

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	1
6	1
7	19
8	11
9	1
10	1
11	91
12	176
13	29
14	1
15	1
16	436
17	2911
18	1471
19	76
20	1
21	1
22	2089
23	48301
24	79808
25	11989
26	199
27	1
28	1
29	10009
30	801701
31	4375897
32	2091817
33	97021
34	521
35	1
36	1
37	47956
38	13307111
39	240378643
40	372713728
41	53924597
42	783511
43	1364
44	1

[1, 1, 1, 1, 4, 1, 1, 19, 11, 1, 1, 91, 176, 29, 1, 1, 436, 2911, 1471, 76, 1, 1, 2089, 48301, 79808, 11989, 199, 1, 1, 10009, 801701, 4375897, 2091817, 97021, 521, 1, 1, 47956, 13307111, 240378643, 372713728, 53924597, 783511, 1364, 1]

cp's OEIS Frontend

A340476 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Product_{a=1..n} Product_{b=1..k} (4sin(aPi/(2n+1))^2 + 4cos(bPi/(2k+1))^2).

Table of values

List of values

cp's OEIS Frontend

A340476 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Product_{a=1..n} Product_{b=1..k} (4*sin(a*Pi/(2*n+1))^2 + 4*cos(b*Pi/(2*k+1))^2).

Table of values

List of values

A340476 Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = Product_{a=1..n} Product_{b=1..k} (4sin(aPi/(2n+1))^2 + 4cos(bPi/(2k+1))^2).