A365876 - cp's OEIS frontend

A365876 a(n) is the number of quadratic equations ux^2 + vx + w = 0 with distinct solution sets L != {}, integer coefficients u, v, w and GCD(u, v, w) = 1, where n = abs(u) + abs(v) + abs(w) and the sum of the solutions equals the product of the solutions.

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

[1, 0, 1, 1, 2, 1, 3, 2, 4, 2, 6, 2, 7, 3, 5, 4, 9, 3, 10, 5, 7, 5, 12, 5, 11, 6, 10, 7, 16, 4, 17, 9, 11, 8, 14, 7, 20, 10, 13, 9, 22, 7, 23, 11, 13, 12, 26, 9, 24, 11, 18, 13, 29, 10, 22, 14, 20, 15, 32, 9, 33, 16, 20, 18, 27, 11, 37, 18, 25, 13, 39, 13, 40, 20]

cp's OEIS Frontend

A365876 a(n) is the number of quadratic equations ux^2 + vx + w = 0 with distinct solution sets L != {}, integer coefficients u, v, w and GCD(u, v, w) = 1, where n = abs(u) + abs(v) + abs(w) and the sum of the solutions equals the product of the solutions.

Table of values

List of values

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

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

cp's OEIS Frontend

A365876 a(n) is the number of quadratic equations u*x^2 + v*x + w = 0 with distinct solution sets L != {}, integer coefficients u, v, w and GCD(u, v, w) = 1, where n = abs(u) + abs(v) + abs(w) and the sum of the solutions equals the product of the solutions.

Table of values

List of values

A365876 a(n) is the number of quadratic equations ux^2 + vx + w = 0 with distinct solution sets L != {}, integer coefficients u, v, w and GCD(u, v, w) = 1, where n = abs(u) + abs(v) + abs(w) and the sum of the solutions equals the product of the solutions.

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