A329820 - cp's OEIS frontend

A329820 Triangular array, read by rows: T(n,k) = [(wxyz)^k] (-1 + (1 + w + 1/w)(1 + x + 1/x)(1 + y + 1/y)(1 + z + 1/z))^n for -n <= k <= n.

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	14
6	80
7	14
8	1
9	1
10	78
11	1251
12	2160
13	1251
14	78
15	1
16	1
17	252
18	9682
19	60444
20	121200
21	60444
22	9682
23	252
24	1
25	1
26	620
27	49355
28	760800
29	3785750
30	6136800
31	3785750
32	760800
33	49355
34	620
35	1
36	1
37	1290
38	190746
39	5950070
40	60898395
41	228400980
42	356570960
43	228400980
44	60898395
45	5950070
46	190746
47	1290
48	1

[1, 1, 0, 1, 1, 14, 80, 14, 1, 1, 78, 1251, 2160, 1251, 78, 1, 1, 252, 9682, 60444, 121200, 60444, 9682, 252, 1, 1, 620, 49355, 760800, 3785750, 6136800, 3785750, 760800, 49355, 620, 1, 1, 1290, 190746, 5950070, 60898395, 228400980, 356570960, 228400980, 60898395, 5950070, 190746, 1290, 1]

cp's OEIS Frontend

A329820 Triangular array, read by rows: T(n,k) = [(wxyz)^k] (-1 + (1 + w + 1/w)(1 + x + 1/x)(1 + y + 1/y)(1 + z + 1/z))^n for -n <= k <= n.

Table of values

List of values

cp's OEIS Frontend

A329820 Triangular array, read by rows: T(n,k) = [(w*x*y*z)^k] (-1 + (1 + w + 1/w)*(1 + x + 1/x)*(1 + y + 1/y)*(1 + z + 1/z))^n for -n <= k <= n.

Table of values

List of values

A329820 Triangular array, read by rows: T(n,k) = [(wxyz)^k] (-1 + (1 + w + 1/w)(1 + x + 1/x)(1 + y + 1/y)(1 + z + 1/z))^n for -n <= k <= n.