A060287 - cp's OEIS frontend

A060287 Triangle formed from coefficients in expansion of Product_{i=3..infinity, j=0..i} 1/(1-x^(i-j)*y^j).

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

[1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 2, 2, 2, 3, 4, 5, 5, 4, 3, 2, 3, 4, 6, 7, 8, 7, 6, 4, 3, 4, 6, 9, 12, 13, 13, 12, 9, 6, 4, 5, 8, 13, 17, 21, 21, 21, 17, 13, 8, 5, 6, 11, 18, 25, 31, 34, 34, 31, 25, 18, 11, 6, 9, 15, 26, 37, 48, 53, 58, 53, 48, 37, 26]

cp's OEIS Frontend

A060287 Triangle formed from coefficients in expansion of Product_{i=3..infinity, j=0..i} 1/(1-x^(i-j)*y^j).

Table of values

List of values

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

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

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