A322549 - cp's OEIS frontend

A322549 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where A(n,k) is the constant term in the expansion of (Sum_{j=0..n} j*(x^j + x^(-j)))^k.

n	a(n)
0	1
1	0
2	1
3	0
4	0
5	1
6	0
7	2
8	0
9	1
10	0
11	0
12	10
13	0
14	1
15	0
16	6
17	12
18	28
19	0
20	1
21	0
22	0
23	198
24	84
25	60
26	0
27	1
28	0
29	20
30	560
31	2076
32	324
33	110
34	0
35	1
36	0
37	0
38	5020
39	14240
40	12060
41	924
42	182
43	0
44	1
45	0
46	70
47	20580
48	213460
49	146680
50	49170
51	2184
52	280
53	0
54	1
55	0
56	0
57	144774
58	1984584
59	3479700
60	922680
61	158418
62	4536
63	408
64	0
65	1

[1, 0, 1, 0, 0, 1, 0, 2, 0, 1, 0, 0, 10, 0, 1, 0, 6, 12, 28, 0, 1, 0, 0, 198, 84, 60, 0, 1, 0, 20, 560, 2076, 324, 110, 0, 1, 0, 0, 5020, 14240, 12060, 924, 182, 0, 1, 0, 70, 20580, 213460, 146680, 49170, 2184, 280, 0, 1, 0, 0, 144774, 1984584, 3479700, 922680, 158418, 4536, 408, 0, 1]

cp's OEIS Frontend

A322549 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where A(n,k) is the constant term in the expansion of (Sum_{j=0..n} j*(x^j + x^(-j)))^k.

Table of values

List of values