A382975 - cp's OEIS frontend

A382975 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n * y^k] Product_{j>=1} (1 + x^j - y^j).

n	a(n)
0	1
1	-1
2	1
3	-1
4	0
5	1
6	0
7	-1
8	-1
9	2
10	0
11	-1
12	0
13	-1
14	2
15	1
16	-1
17	-1
18	-1
19	-1
20	3
21	0
22	0
23	0
24	0
25	-2
26	-2
27	4
28	1
29	0
30	0
31	-2
32	0
33	-2
34	-2
35	5
36	0
37	1
38	0
39	-1
40	0
41	-1
42	-2
43	-3
44	6
45	0
46	1
47	1
48	0
49	-1
50	-1
51	-2
52	-3
53	-3
54	8
55	0
56	1
57	0
58	0
59	-1
60	2
61	-1
62	-2
63	-4
64	-5
65	10
66	0
67	1
68	1
69	0
70	1
71	-2
72	0
73	-1
74	-2
75	-5
76	-5
77	12

[1, -1, 1, -1, 0, 1, 0, -1, -1, 2, 0, -1, 0, -1, 2, 1, -1, -1, -1, -1, 3, 0, 0, 0, 0, -2, -2, 4, 1, 0, 0, -2, 0, -2, -2, 5, 0, 1, 0, -1, 0, -1, -2, -3, 6, 0, 1, 1, 0, -1, -1, -2, -3, -3, 8, 0, 1, 0, 0, -1, 2, -1, -2, -4, -5, 10, 0, 1, 1, 0, 1, -2, 0, -1, -2, -5, -5, 12]

cp's OEIS Frontend

A382975 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = [x^n * y^k] Product_{j>=1} (1 + x^j - y^j).

Table of values

List of values

n	a(n)
0	1
1	-1
2	1
3	-1
4	0
5	1
6	0
7	-1
8	-1
9	2
10	0
11	-1
12	0
13	-1
14	2
15	1
16	-1
17	-1
18	-1
19	-1
20	3
21	0
22	0
23	0
24	0
25	-2
26	-2
27	4
28	1
29	0
30	0
31	-2
32	0
33	-2
34	-2
35	5
36	0
37	1
38	0
39	-1
40	0
41	-1
42	-2
43	-3
44	6
45	0
46	1
47	1
48	0
49	-1
50	-1
51	-2
52	-3
53	-3
54	8
55	0
56	1
57	0
58	0
59	-1
60	2
61	-1
62	-2
63	-4
64	-5
65	10
66	0
67	1
68	1
69	0
70	1
71	-2
72	0
73	-1
74	-2
75	-5
76	-5
77	12

n	a(n)
0	1
1	-1
2	1
3	-1
4	0
5	1
6	0
7	-1
8	-1
9	2
10	0
11	-1
12	0
13	-1
14	2
15	1
16	-1
17	-1
18	-1
19	-1
20	3
21	0
22	0
23	0
24	0
25	-2
26	-2
27	4
28	1
29	0
30	0
31	-2
32	0
33	-2
34	-2
35	5
36	0
37	1
38	0
39	-1
40	0
41	-1
42	-2
43	-3
44	6
45	0
46	1
47	1
48	0
49	-1
50	-1
51	-2
52	-3
53	-3
54	8
55	0
56	1
57	0
58	0
59	-1
60	2
61	-1
62	-2
63	-4
64	-5
65	10
66	0
67	1
68	1
69	0
70	1
71	-2
72	0
73	-1
74	-2
75	-5
76	-5
77	12

n	a(n)
0	1
1	-1
2	1
3	-1
4	0
5	1
6	0
7	-1
8	-1
9	2
10	0
11	-1
12	0
13	-1
14	2
15	1
16	-1
17	-1
18	-1
19	-1
20	3
21	0
22	0
23	0
24	0
25	-2
26	-2
27	4
28	1
29	0
30	0
31	-2
32	0
33	-2
34	-2
35	5
36	0
37	1
38	0
39	-1
40	0
41	-1
42	-2
43	-3
44	6
45	0
46	1
47	1
48	0
49	-1
50	-1
51	-2
52	-3
53	-3
54	8
55	0
56	1
57	0
58	0
59	-1
60	2
61	-1
62	-2
63	-4
64	-5
65	10
66	0
67	1
68	1
69	0
70	1
71	-2
72	0
73	-1
74	-2
75	-5
76	-5
77	12