A279928 - cp's OEIS frontend

A279928 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} 1/(1+x^j)^(j*k) in powers of x.

n	a(n)
0	1
1	1
2	0
3	1
4	-1
5	0
6	1
7	-2
8	-1
9	0
10	1
11	-3
12	-1
13	-2
14	0
15	1
16	-4
17	0
18	-2
19	1
20	0
21	1
22	-5
23	2
24	-1
25	7
26	0
27	0
28	1
29	-6
30	5
31	0
32	15
33	2
34	4
35	0
36	1
37	-7
38	9
39	0
40	23
41	-3
42	10
43	2
44	0
45	1
46	-8
47	14
48	-2
49	30
50	-20
51	8
52	-8
53	8
54	0
55	1
56	-9
57	20
58	-7
59	36
60	-51
61	2
62	-42
63	5
64	-2
65	0
66	1
67	-10
68	27
69	-16
70	42
71	-96
72	5
73	-88
74	6

[1, 1, 0, 1, -1, 0, 1, -2, -1, 0, 1, -3, -1, -2, 0, 1, -4, 0, -2, 1, 0, 1, -5, 2, -1, 7, 0, 0, 1, -6, 5, 0, 15, 2, 4, 0, 1, -7, 9, 0, 23, -3, 10, 2, 0, 1, -8, 14, -2, 30, -20, 8, -8, 8, 0, 1, -9, 20, -7, 36, -51, 2, -42, 5, -2, 0, 1, -10, 27, -16, 42, -96, 5, -88, 6]

cp's OEIS Frontend

A279928 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} 1/(1+x^j)^(j*k) in powers of x.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	1
4	-1
5	0
6	1
7	-2
8	-1
9	0
10	1
11	-3
12	-1
13	-2
14	0
15	1
16	-4
17	0
18	-2
19	1
20	0
21	1
22	-5
23	2
24	-1
25	7
26	0
27	0
28	1
29	-6
30	5
31	0
32	15
33	2
34	4
35	0
36	1
37	-7
38	9
39	0
40	23
41	-3
42	10
43	2
44	0
45	1
46	-8
47	14
48	-2
49	30
50	-20
51	8
52	-8
53	8
54	0
55	1
56	-9
57	20
58	-7
59	36
60	-51
61	2
62	-42
63	5
64	-2
65	0
66	1
67	-10
68	27
69	-16
70	42
71	-96
72	5
73	-88
74	6

n	a(n)
0	1
1	1
2	0
3	1
4	-1
5	0
6	1
7	-2
8	-1
9	0
10	1
11	-3
12	-1
13	-2
14	0
15	1
16	-4
17	0
18	-2
19	1
20	0
21	1
22	-5
23	2
24	-1
25	7
26	0
27	0
28	1
29	-6
30	5
31	0
32	15
33	2
34	4
35	0
36	1
37	-7
38	9
39	0
40	23
41	-3
42	10
43	2
44	0
45	1
46	-8
47	14
48	-2
49	30
50	-20
51	8
52	-8
53	8
54	0
55	1
56	-9
57	20
58	-7
59	36
60	-51
61	2
62	-42
63	5
64	-2
65	0
66	1
67	-10
68	27
69	-16
70	42
71	-96
72	5
73	-88
74	6

n	a(n)
0	1
1	1
2	0
3	1
4	-1
5	0
6	1
7	-2
8	-1
9	0
10	1
11	-3
12	-1
13	-2
14	0
15	1
16	-4
17	0
18	-2
19	1
20	0
21	1
22	-5
23	2
24	-1
25	7
26	0
27	0
28	1
29	-6
30	5
31	0
32	15
33	2
34	4
35	0
36	1
37	-7
38	9
39	0
40	23
41	-3
42	10
43	2
44	0
45	1
46	-8
47	14
48	-2
49	30
50	-20
51	8
52	-8
53	8
54	0
55	1
56	-9
57	20
58	-7
59	36
60	-51
61	2
62	-42
63	5
64	-2
65	0
66	1
67	-10
68	27
69	-16
70	42
71	-96
72	5
73	-88
74	6