A286653 - cp's OEIS frontend

A286653 Square array A(n,k), n>=0, k>=1, read by antidiagonals, where column k is the expansion of Product_{j>=1} (1 - x^(k*j))/(1 - x^j).

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

[1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 2, 2, 0, 1, 1, 2, 2, 2, 0, 1, 1, 2, 3, 4, 3, 0, 1, 1, 2, 3, 4, 5, 4, 0, 1, 1, 2, 3, 5, 6, 7, 5, 0, 1, 1, 2, 3, 5, 6, 9, 9, 6, 0, 1, 1, 2, 3, 5, 7, 10, 12, 13, 8, 0, 1, 1, 2, 3, 5, 7, 10, 13, 16, 16, 10, 0, 1, 1, 2, 3, 5, 7, 11, 14, 19, 22, 22, 12, 0]

cp's OEIS Frontend

A286653 Square array A(n,k), n>=0, k>=1, read by antidiagonals, where column k is the expansion of Product_{j>=1} (1 - x^(k*j))/(1 - 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	1
8	1
9	0
10	1
11	1
12	2
13	2
14	0
15	1
16	1
17	2
18	2
19	2
20	0
21	1
22	1
23	2
24	3
25	4
26	3
27	0
28	1
29	1
30	2
31	3
32	4
33	5
34	4
35	0
36	1
37	1
38	2
39	3
40	5
41	6
42	7
43	5
44	0
45	1
46	1
47	2
48	3
49	5
50	6
51	9
52	9
53	6
54	0
55	1
56	1
57	2
58	3
59	5
60	7
61	10
62	12
63	13
64	8
65	0
66	1
67	1
68	2
69	3
70	5
71	7
72	10
73	13
74	16
75	16
76	10
77	0
78	1
79	1
80	2
81	3
82	5
83	7
84	11
85	14
86	19
87	22
88	22
89	12
90	0

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

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