A286957 - cp's OEIS frontend

A286957 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} (1 + k*x^j).

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	2
13	2
14	0
15	1
16	4
17	3
18	6
19	2
20	0
21	1
22	5
23	4
24	12
25	6
26	3
27	0
28	1
29	6
30	5
31	20
32	12
33	10
34	4
35	0
36	1
37	7
38	6
39	30
40	20
41	21
42	18
43	5
44	0
45	1
46	8
47	7
48	42
49	30
50	36
51	48
52	22
53	6
54	0
55	1
56	9
57	8
58	56
59	42
60	55
61	100
62	57
63	30
64	8
65	0
66	1
67	10
68	9
69	72
70	56
71	78
72	180
73	116
74	84
75	42
76	10
77	0
78	1
79	11
80	10
81	90
82	72
83	105
84	294
85	205
86	180
87	120
88	66
89	12
90	0

[1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 3, 2, 2, 0, 1, 4, 3, 6, 2, 0, 1, 5, 4, 12, 6, 3, 0, 1, 6, 5, 20, 12, 10, 4, 0, 1, 7, 6, 30, 20, 21, 18, 5, 0, 1, 8, 7, 42, 30, 36, 48, 22, 6, 0, 1, 9, 8, 56, 42, 55, 100, 57, 30, 8, 0, 1, 10, 9, 72, 56, 78, 180, 116, 84, 42, 10, 0, 1, 11, 10, 90, 72, 105, 294, 205, 180, 120, 66, 12, 0]

cp's OEIS Frontend

A286957 Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of Product_{j>=1} (1 + k*x^j).

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	2
13	2
14	0
15	1
16	4
17	3
18	6
19	2
20	0
21	1
22	5
23	4
24	12
25	6
26	3
27	0
28	1
29	6
30	5
31	20
32	12
33	10
34	4
35	0
36	1
37	7
38	6
39	30
40	20
41	21
42	18
43	5
44	0
45	1
46	8
47	7
48	42
49	30
50	36
51	48
52	22
53	6
54	0
55	1
56	9
57	8
58	56
59	42
60	55
61	100
62	57
63	30
64	8
65	0
66	1
67	10
68	9
69	72
70	56
71	78
72	180
73	116
74	84
75	42
76	10
77	0
78	1
79	11
80	10
81	90
82	72
83	105
84	294
85	205
86	180
87	120
88	66
89	12
90	0

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	2
13	2
14	0
15	1
16	4
17	3
18	6
19	2
20	0
21	1
22	5
23	4
24	12
25	6
26	3
27	0
28	1
29	6
30	5
31	20
32	12
33	10
34	4
35	0
36	1
37	7
38	6
39	30
40	20
41	21
42	18
43	5
44	0
45	1
46	8
47	7
48	42
49	30
50	36
51	48
52	22
53	6
54	0
55	1
56	9
57	8
58	56
59	42
60	55
61	100
62	57
63	30
64	8
65	0
66	1
67	10
68	9
69	72
70	56
71	78
72	180
73	116
74	84
75	42
76	10
77	0
78	1
79	11
80	10
81	90
82	72
83	105
84	294
85	205
86	180
87	120
88	66
89	12
90	0

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	2
13	2
14	0
15	1
16	4
17	3
18	6
19	2
20	0
21	1
22	5
23	4
24	12
25	6
26	3
27	0
28	1
29	6
30	5
31	20
32	12
33	10
34	4
35	0
36	1
37	7
38	6
39	30
40	20
41	21
42	18
43	5
44	0
45	1
46	8
47	7
48	42
49	30
50	36
51	48
52	22
53	6
54	0
55	1
56	9
57	8
58	56
59	42
60	55
61	100
62	57
63	30
64	8
65	0
66	1
67	10
68	9
69	72
70	56
71	78
72	180
73	116
74	84
75	42
76	10
77	0
78	1
79	11
80	10
81	90
82	72
83	105
84	294
85	205
86	180
87	120
88	66
89	12
90	0