A364385 - cp's OEIS frontend

A364385 a(n) is the number of quadratic equations ux^2 + vx + w = 0 with different solution sets L != {}, where n >= abs(u) + abs(v) + abs(w) and the coefficients u, v, w as well as the solutions x_1, x_2 are integers.

n	a(n)
1	1
2	4
3	6
4	12
5	15
6	21
7	23
8	31
9	35
10	42
11	46
12	54
13	56
14	66
15	70
16	78
17	83
18	93
19	95
20	105
21	109
22	119
23	123
24	133
25	137
26	148
27	154
28	162
29	166
30	178
31	180
32	194
33	198
34	206
35	212
36	224
37	229
38	241
39	245
40	255
41	259
42	273
43	275
44	289
45	295
46	303
47	309
48	321
49	325
50	340
51	346
52	356
53	360
54	372
55	376
56	390
57	396

[1, 4, 6, 12, 15, 21, 23, 31, 35, 42, 46, 54, 56, 66, 70, 78, 83, 93, 95, 105, 109, 119, 123, 133, 137, 148, 154, 162, 166, 178, 180, 194, 198, 206, 212, 224, 229, 241, 245, 255, 259, 273, 275, 289, 295, 303, 309, 321, 325, 340, 346, 356, 360, 372, 376, 390, 396]

cp's OEIS Frontend

A364385 a(n) is the number of quadratic equations ux^2 + vx + w = 0 with different solution sets L != {}, where n >= abs(u) + abs(v) + abs(w) and the coefficients u, v, w as well as the solutions x_1, x_2 are integers.

Table of values

List of values

n	a(n)
1	1
2	4
3	6
4	12
5	15
6	21
7	23
8	31
9	35
10	42
11	46
12	54
13	56
14	66
15	70
16	78
17	83
18	93
19	95
20	105
21	109
22	119
23	123
24	133
25	137
26	148
27	154
28	162
29	166
30	178
31	180
32	194
33	198
34	206
35	212
36	224
37	229
38	241
39	245
40	255
41	259
42	273
43	275
44	289
45	295
46	303
47	309
48	321
49	325
50	340
51	346
52	356
53	360
54	372
55	376
56	390
57	396

n	a(n)
1	1
2	4
3	6
4	12
5	15
6	21
7	23
8	31
9	35
10	42
11	46
12	54
13	56
14	66
15	70
16	78
17	83
18	93
19	95
20	105
21	109
22	119
23	123
24	133
25	137
26	148
27	154
28	162
29	166
30	178
31	180
32	194
33	198
34	206
35	212
36	224
37	229
38	241
39	245
40	255
41	259
42	273
43	275
44	289
45	295
46	303
47	309
48	321
49	325
50	340
51	346
52	356
53	360
54	372
55	376
56	390
57	396

cp's OEIS Frontend

A364385 a(n) is the number of quadratic equations u*x^2 + v*x + w = 0 with different solution sets L != {}, where n >= abs(u) + abs(v) + abs(w) and the coefficients u, v, w as well as the solutions x_1, x_2 are integers.

Table of values

List of values

A364385 a(n) is the number of quadratic equations ux^2 + vx + w = 0 with different solution sets L != {}, where n >= abs(u) + abs(v) + abs(w) and the coefficients u, v, w as well as the solutions x_1, x_2 are integers.

n	a(n)
1	1
2	4
3	6
4	12
5	15
6	21
7	23
8	31
9	35
10	42
11	46
12	54
13	56
14	66
15	70
16	78
17	83
18	93
19	95
20	105
21	109
22	119
23	123
24	133
25	137
26	148
27	154
28	162
29	166
30	178
31	180
32	194
33	198
34	206
35	212
36	224
37	229
38	241
39	245
40	255
41	259
42	273
43	275
44	289
45	295
46	303
47	309
48	321
49	325
50	340
51	346
52	356
53	360
54	372
55	376
56	390
57	396