A232531 - cp's OEIS frontend

A232531 Numbers n such that the equation a^2 + 2nb^2 = 2c^2 + nd^2 has no solutions in positive integers for a, b, c, d.

n	a(n)
1	3
2	5
3	6
4	10
5	11
6	12
7	13
8	15
9	19
10	20
11	21
12	22
13	24
14	26
15	27
16	29
17	30
18	33
19	35
20	37
21	38
22	39
23	40
24	42
25	43
26	44
27	45
28	48
29	51
30	52
31	53
32	54
33	55
34	57
35	58
36	59
37	60
38	61
39	65
40	66
41	67
42	69
43	70
44	74
45	75
46	76
47	77
48	78
49	80
50	83
51	84
52	85
53	86
54	87
55	88
56	90
57	91
58	93
59	95
60	96
61	99
62	101
63	102
64	104
65	105
66	106

[3, 5, 6, 10, 11, 12, 13, 15, 19, 20, 21, 22, 24, 26, 27, 29, 30, 33, 35, 37, 38, 39, 40, 42, 43, 44, 45, 48, 51, 52, 53, 54, 55, 57, 58, 59, 60, 61, 65, 66, 67, 69, 70, 74, 75, 76, 77, 78, 80, 83, 84, 85, 86, 87, 88, 90, 91, 93, 95, 96, 99, 101, 102, 104, 105, 106]

cp's OEIS Frontend

A232531 Numbers n such that the equation a^2 + 2nb^2 = 2c^2 + nd^2 has no solutions in positive integers for a, b, c, d.

Table of values

List of values

n	a(n)
1	3
2	5
3	6
4	10
5	11
6	12
7	13
8	15
9	19
10	20
11	21
12	22
13	24
14	26
15	27
16	29
17	30
18	33
19	35
20	37
21	38
22	39
23	40
24	42
25	43
26	44
27	45
28	48
29	51
30	52
31	53
32	54
33	55
34	57
35	58
36	59
37	60
38	61
39	65
40	66
41	67
42	69
43	70
44	74
45	75
46	76
47	77
48	78
49	80
50	83
51	84
52	85
53	86
54	87
55	88
56	90
57	91
58	93
59	95
60	96
61	99
62	101
63	102
64	104
65	105
66	106

n	a(n)
1	3
2	5
3	6
4	10
5	11
6	12
7	13
8	15
9	19
10	20
11	21
12	22
13	24
14	26
15	27
16	29
17	30
18	33
19	35
20	37
21	38
22	39
23	40
24	42
25	43
26	44
27	45
28	48
29	51
30	52
31	53
32	54
33	55
34	57
35	58
36	59
37	60
38	61
39	65
40	66
41	67
42	69
43	70
44	74
45	75
46	76
47	77
48	78
49	80
50	83
51	84
52	85
53	86
54	87
55	88
56	90
57	91
58	93
59	95
60	96
61	99
62	101
63	102
64	104
65	105
66	106

cp's OEIS Frontend

A232531 Numbers n such that the equation a^2 + 2*n*b^2 = 2*c^2 + n*d^2 has no solutions in positive integers for a, b, c, d.

Table of values

List of values

A232531 Numbers n such that the equation a^2 + 2nb^2 = 2c^2 + nd^2 has no solutions in positive integers for a, b, c, d.

n	a(n)
1	3
2	5
3	6
4	10
5	11
6	12
7	13
8	15
9	19
10	20
11	21
12	22
13	24
14	26
15	27
16	29
17	30
18	33
19	35
20	37
21	38
22	39
23	40
24	42
25	43
26	44
27	45
28	48
29	51
30	52
31	53
32	54
33	55
34	57
35	58
36	59
37	60
38	61
39	65
40	66
41	67
42	69
43	70
44	74
45	75
46	76
47	77
48	78
49	80
50	83
51	84
52	85
53	86
54	87
55	88
56	90
57	91
58	93
59	95
60	96
61	99
62	101
63	102
64	104
65	105
66	106