A375003 - cp's OEIS frontend

A375003 Number of ordered solutions (x,y,z,w) to xy + xz + xw + yz + yw + zw = n with x,y,z,w >= 1.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	4
10	0
11	0
12	4
13	6
14	0
15	4
16	0
17	12
18	8
19	0
20	0
21	16
22	6
23	12
24	5
25	12
26	0
27	16
28	12
29	24
30	8
31	0
32	12
33	34
34	0
35	24
36	12
37	30
38	12
39	16
40	0
41	36
42	32
43	24
44	12
45	32
46	6
47	36
48	20
49	36
50	12
51	40
52	18
53	72
54	9
55	0
56	24
57	64
58	24
59	48
60	36
61	30
62	24
63	56
64	12
65	72
66	8
67	48
68	36
69	70
70	24
71	60
72	40
73	54
74	24
75	40
76	12
77	120
78	62
79	24
80	24
81	80
82	24
83	96

[0, 0, 0, 0, 0, 1, 0, 0, 4, 0, 0, 4, 6, 0, 4, 0, 12, 8, 0, 0, 16, 6, 12, 5, 12, 0, 16, 12, 24, 8, 0, 12, 34, 0, 24, 12, 30, 12, 16, 0, 36, 32, 24, 12, 32, 6, 36, 20, 36, 12, 40, 18, 72, 9, 0, 24, 64, 24, 48, 36, 30, 24, 56, 12, 72, 8, 48, 36, 70, 24, 60, 40, 54, 24, 40, 12, 120, 62, 24, 24, 80, 24, 96]

cp's OEIS Frontend

A375003 Number of ordered solutions (x,y,z,w) to xy + xz + xw + yz + yw + zw = n with x,y,z,w >= 1.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	4
10	0
11	0
12	4
13	6
14	0
15	4
16	0
17	12
18	8
19	0
20	0
21	16
22	6
23	12
24	5
25	12
26	0
27	16
28	12
29	24
30	8
31	0
32	12
33	34
34	0
35	24
36	12
37	30
38	12
39	16
40	0
41	36
42	32
43	24
44	12
45	32
46	6
47	36
48	20
49	36
50	12
51	40
52	18
53	72
54	9
55	0
56	24
57	64
58	24
59	48
60	36
61	30
62	24
63	56
64	12
65	72
66	8
67	48
68	36
69	70
70	24
71	60
72	40
73	54
74	24
75	40
76	12
77	120
78	62
79	24
80	24
81	80
82	24
83	96

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	4
10	0
11	0
12	4
13	6
14	0
15	4
16	0
17	12
18	8
19	0
20	0
21	16
22	6
23	12
24	5
25	12
26	0
27	16
28	12
29	24
30	8
31	0
32	12
33	34
34	0
35	24
36	12
37	30
38	12
39	16
40	0
41	36
42	32
43	24
44	12
45	32
46	6
47	36
48	20
49	36
50	12
51	40
52	18
53	72
54	9
55	0
56	24
57	64
58	24
59	48
60	36
61	30
62	24
63	56
64	12
65	72
66	8
67	48
68	36
69	70
70	24
71	60
72	40
73	54
74	24
75	40
76	12
77	120
78	62
79	24
80	24
81	80
82	24
83	96

cp's OEIS Frontend

A375003 Number of ordered solutions (x,y,z,w) to x*y + x*z + x*w + y*z + y*w + z*w = n with x,y,z,w >= 1.

Table of values

List of values

A375003 Number of ordered solutions (x,y,z,w) to xy + xz + xw + yz + yw + zw = n with x,y,z,w >= 1.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	4
10	0
11	0
12	4
13	6
14	0
15	4
16	0
17	12
18	8
19	0
20	0
21	16
22	6
23	12
24	5
25	12
26	0
27	16
28	12
29	24
30	8
31	0
32	12
33	34
34	0
35	24
36	12
37	30
38	12
39	16
40	0
41	36
42	32
43	24
44	12
45	32
46	6
47	36
48	20
49	36
50	12
51	40
52	18
53	72
54	9
55	0
56	24
57	64
58	24
59	48
60	36
61	30
62	24
63	56
64	12
65	72
66	8
67	48
68	36
69	70
70	24
71	60
72	40
73	54
74	24
75	40
76	12
77	120
78	62
79	24
80	24
81	80
82	24
83	96