A228380 - cp's OEIS frontend

A228380 Positive integers N such that N = (p^2+q^2)(r^2-s^2)/((p^2-q^2)(r^2+s^2)) for some positive integers p,q,r,s.

n	a(n)
1	1
2	6
3	13
4	16
5	18
6	22
7	23
8	32
9	33
10	35
11	36
12	37
13	41
14	42
15	43
16	44
17	45
18	46
19	50
20	51
21	53
22	57
23	58
24	59
25	60
26	61
27	63
28	67
29	69
30	70
31	74
32	75
33	77
34	78
35	79
36	80
37	83
38	84
39	85
40	86
41	88
42	89
43	90
44	93
45	94
46	95
47	96
48	97
49	98
50	102
51	104
52	110
53	112
54	116
55	117
56	118
57	119
58	122
59	123
60	124
61	126
62	128
63	132
64	133
65	134
66	137
67	138
68	141
69	142
70	143
71	152

[1, 6, 13, 16, 18, 22, 23, 32, 33, 35, 36, 37, 41, 42, 43, 44, 45, 46, 50, 51, 53, 57, 58, 59, 60, 61, 63, 67, 69, 70, 74, 75, 77, 78, 79, 80, 83, 84, 85, 86, 88, 89, 90, 93, 94, 95, 96, 97, 98, 102, 104, 110, 112, 116, 117, 118, 119, 122, 123, 124, 126, 128, 132, 133, 134, 137, 138, 141, 142, 143, 152]

cp's OEIS Frontend

A228380 Positive integers N such that N = (p^2+q^2)(r^2-s^2)/((p^2-q^2)(r^2+s^2)) for some positive integers p,q,r,s.

Table of values

List of values

n	a(n)
1	1
2	6
3	13
4	16
5	18
6	22
7	23
8	32
9	33
10	35
11	36
12	37
13	41
14	42
15	43
16	44
17	45
18	46
19	50
20	51
21	53
22	57
23	58
24	59
25	60
26	61
27	63
28	67
29	69
30	70
31	74
32	75
33	77
34	78
35	79
36	80
37	83
38	84
39	85
40	86
41	88
42	89
43	90
44	93
45	94
46	95
47	96
48	97
49	98
50	102
51	104
52	110
53	112
54	116
55	117
56	118
57	119
58	122
59	123
60	124
61	126
62	128
63	132
64	133
65	134
66	137
67	138
68	141
69	142
70	143
71	152

n	a(n)
1	1
2	6
3	13
4	16
5	18
6	22
7	23
8	32
9	33
10	35
11	36
12	37
13	41
14	42
15	43
16	44
17	45
18	46
19	50
20	51
21	53
22	57
23	58
24	59
25	60
26	61
27	63
28	67
29	69
30	70
31	74
32	75
33	77
34	78
35	79
36	80
37	83
38	84
39	85
40	86
41	88
42	89
43	90
44	93
45	94
46	95
47	96
48	97
49	98
50	102
51	104
52	110
53	112
54	116
55	117
56	118
57	119
58	122
59	123
60	124
61	126
62	128
63	132
64	133
65	134
66	137
67	138
68	141
69	142
70	143
71	152

cp's OEIS Frontend

A228380 Positive integers N such that N = (p^2+q^2)*(r^2-s^2)/((p^2-q^2)*(r^2+s^2)) for some positive integers p,q,r,s.

Table of values

List of values

A228380 Positive integers N such that N = (p^2+q^2)(r^2-s^2)/((p^2-q^2)(r^2+s^2)) for some positive integers p,q,r,s.

n	a(n)
1	1
2	6
3	13
4	16
5	18
6	22
7	23
8	32
9	33
10	35
11	36
12	37
13	41
14	42
15	43
16	44
17	45
18	46
19	50
20	51
21	53
22	57
23	58
24	59
25	60
26	61
27	63
28	67
29	69
30	70
31	74
32	75
33	77
34	78
35	79
36	80
37	83
38	84
39	85
40	86
41	88
42	89
43	90
44	93
45	94
46	95
47	96
48	97
49	98
50	102
51	104
52	110
53	112
54	116
55	117
56	118
57	119
58	122
59	123
60	124
61	126
62	128
63	132
64	133
65	134
66	137
67	138
68	141
69	142
70	143
71	152