A306929 - cp's OEIS frontend

A306929 Numbers k (>0) such that x^2+y^2 and x^2+k*y^2 can be simultaneously squares.

n	a(n)
1	1
2	7
3	10
4	11
5	17
6	20
7	22
8	23
9	24
10	27
11	30
12	31
13	34
14	41
15	42
16	45
17	47
18	49
19	50
20	52
21	53
22	57
23	58
24	59
25	60
26	61
27	68
28	71
29	72
30	74
31	76
32	77
33	79
34	82
35	83
36	85
37	86
38	90
39	92
40	93
41	94
42	97
43	99
44	100
45	101
46	102
47	104
48	105
49	107
50	110
51	111
52	112
53	113
54	114
55	115
56	119
57	120
58	121
59	122
60	124
61	126
62	127
63	130
64	133
65	134
66	137

[1, 7, 10, 11, 17, 20, 22, 23, 24, 27, 30, 31, 34, 41, 42, 45, 47, 49, 50, 52, 53, 57, 58, 59, 60, 61, 68, 71, 72, 74, 76, 77, 79, 82, 83, 85, 86, 90, 92, 93, 94, 97, 99, 100, 101, 102, 104, 105, 107, 110, 111, 112, 113, 114, 115, 119, 120, 121, 122, 124, 126, 127, 130, 133, 134, 137]

cp's OEIS Frontend

A306929 Numbers k (>0) such that x^2+y^2 and x^2+k*y^2 can be simultaneously squares.

Table of values

List of values

n	a(n)
1	1
2	7
3	10
4	11
5	17
6	20
7	22
8	23
9	24
10	27
11	30
12	31
13	34
14	41
15	42
16	45
17	47
18	49
19	50
20	52
21	53
22	57
23	58
24	59
25	60
26	61
27	68
28	71
29	72
30	74
31	76
32	77
33	79
34	82
35	83
36	85
37	86
38	90
39	92
40	93
41	94
42	97
43	99
44	100
45	101
46	102
47	104
48	105
49	107
50	110
51	111
52	112
53	113
54	114
55	115
56	119
57	120
58	121
59	122
60	124
61	126
62	127
63	130
64	133
65	134
66	137

n	a(n)
1	1
2	7
3	10
4	11
5	17
6	20
7	22
8	23
9	24
10	27
11	30
12	31
13	34
14	41
15	42
16	45
17	47
18	49
19	50
20	52
21	53
22	57
23	58
24	59
25	60
26	61
27	68
28	71
29	72
30	74
31	76
32	77
33	79
34	82
35	83
36	85
37	86
38	90
39	92
40	93
41	94
42	97
43	99
44	100
45	101
46	102
47	104
48	105
49	107
50	110
51	111
52	112
53	113
54	114
55	115
56	119
57	120
58	121
59	122
60	124
61	126
62	127
63	130
64	133
65	134
66	137

n	a(n)
1	1
2	7
3	10
4	11
5	17
6	20
7	22
8	23
9	24
10	27
11	30
12	31
13	34
14	41
15	42
16	45
17	47
18	49
19	50
20	52
21	53
22	57
23	58
24	59
25	60
26	61
27	68
28	71
29	72
30	74
31	76
32	77
33	79
34	82
35	83
36	85
37	86
38	90
39	92
40	93
41	94
42	97
43	99
44	100
45	101
46	102
47	104
48	105
49	107
50	110
51	111
52	112
53	113
54	114
55	115
56	119
57	120
58	121
59	122
60	124
61	126
62	127
63	130
64	133
65	134
66	137