A232528 - cp's OEIS frontend

A232528 Numbers n such that for all primes p where p and p-n are quadratic residues (mod 4n), 4p can be written as x^2 + n*y^2.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	27
24	28
25	30
26	32
27	33
28	35
29	36
30	37
31	40
32	42
33	43
34	45
35	48
36	51
37	52
38	57
39	58
40	60
41	64
42	67
43	70
44	72
45	75
46	78
47	84
48	85
49	88
50	91
51	93
52	96
53	99
54	100
55	102
56	105
57	112
58	115
59	120
60	123
61	130
62	132
63	133
64	147
65	148
66	160
67	163
68	165
69	168
70	177
71	180
72	187
73	190
74	192
75	195

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 18, 19, 20, 21, 22, 24, 25, 27, 28, 30, 32, 33, 35, 36, 37, 40, 42, 43, 45, 48, 51, 52, 57, 58, 60, 64, 67, 70, 72, 75, 78, 84, 85, 88, 91, 93, 96, 99, 100, 102, 105, 112, 115, 120, 123, 130, 132, 133, 147, 148, 160, 163, 165, 168, 177, 180, 187, 190, 192, 195]

cp's OEIS Frontend

A232528 Numbers n such that for all primes p where p and p-n are quadratic residues (mod 4n), 4p can be written as x^2 + n*y^2.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	27
24	28
25	30
26	32
27	33
28	35
29	36
30	37
31	40
32	42
33	43
34	45
35	48
36	51
37	52
38	57
39	58
40	60
41	64
42	67
43	70
44	72
45	75
46	78
47	84
48	85
49	88
50	91
51	93
52	96
53	99
54	100
55	102
56	105
57	112
58	115
59	120
60	123
61	130
62	132
63	133
64	147
65	148
66	160
67	163
68	165
69	168
70	177
71	180
72	187
73	190
74	192
75	195

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	27
24	28
25	30
26	32
27	33
28	35
29	36
30	37
31	40
32	42
33	43
34	45
35	48
36	51
37	52
38	57
39	58
40	60
41	64
42	67
43	70
44	72
45	75
46	78
47	84
48	85
49	88
50	91
51	93
52	96
53	99
54	100
55	102
56	105
57	112
58	115
59	120
60	123
61	130
62	132
63	133
64	147
65	148
66	160
67	163
68	165
69	168
70	177
71	180
72	187
73	190
74	192
75	195

cp's OEIS Frontend

A232528 Numbers n such that for all primes p where p and p-n are quadratic residues (mod 4*n), 4*p can be written as x^2 + n*y^2.

Table of values

List of values

A232528 Numbers n such that for all primes p where p and p-n are quadratic residues (mod 4n), 4p can be written as x^2 + n*y^2.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	12
13	13
14	15
15	16
16	18
17	19
18	20
19	21
20	22
21	24
22	25
23	27
24	28
25	30
26	32
27	33
28	35
29	36
30	37
31	40
32	42
33	43
34	45
35	48
36	51
37	52
38	57
39	58
40	60
41	64
42	67
43	70
44	72
45	75
46	78
47	84
48	85
49	88
50	91
51	93
52	96
53	99
54	100
55	102
56	105
57	112
58	115
59	120
60	123
61	130
62	132
63	133
64	147
65	148
66	160
67	163
68	165
69	168
70	177
71	180
72	187
73	190
74	192
75	195