A329020 - cp's OEIS frontend

A329020 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ( Sum_{j=1..k} x_j^(2j-1) + x_j^(-(2j-1)) )^(2*n).

n	a(n)
0	1
1	1
2	0
3	1
4	2
5	0
6	1
7	4
8	6
9	0
10	1
11	6
12	44
13	20
14	0
15	1
16	8
17	146
18	580
19	70
20	0
21	1
22	10
23	344
24	4332
25	8092
26	252
27	0
28	1
29	12
30	670
31	18152
32	135954
33	116304
34	924
35	0
36	1
37	14
38	1156
39	55252
40	1012664
41	4395456
42	1703636
43	3432
44	0
45	1
46	16
47	1834
48	137292
49	4816030
50	58199208
51	144840476
52	25288120
53	12870
54	0

[1, 1, 0, 1, 2, 0, 1, 4, 6, 0, 1, 6, 44, 20, 0, 1, 8, 146, 580, 70, 0, 1, 10, 344, 4332, 8092, 252, 0, 1, 12, 670, 18152, 135954, 116304, 924, 0, 1, 14, 1156, 55252, 1012664, 4395456, 1703636, 3432, 0, 1, 16, 1834, 137292, 4816030, 58199208, 144840476, 25288120, 12870, 0]

cp's OEIS Frontend

A329020 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ( Sum_{j=1..k} x_j^(2j-1) + x_j^(-(2j-1)) )^(2*n).

Table of values

List of values

cp's OEIS Frontend

A329020 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ( Sum_{j=1..k} x_j^(2*j-1) + x_j^(-(2*j-1)) )^(2*n).

Table of values

List of values

A329020 Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ( Sum_{j=1..k} x_j^(2j-1) + x_j^(-(2j-1)) )^(2*n).