A257409 - cp's OEIS frontend

A257409 Values of n such that there are exactly 2 solutions to x^2 - y^2 = n, with x > y >= 0.

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	49
15	51
16	55
17	56
18	57
19	60
20	65
21	69
22	77
23	84
24	85
25	87
26	88
27	91
28	93
29	95
30	100
31	104
32	108
33	111
34	115
35	119
36	121
37	123
38	125
39	129
40	132
41	133
42	136
43	140
44	141
45	143
46	145
47	152
48	155
49	156
50	159
51	161
52	169
53	177
54	183
55	184
56	185
57	187
58	196

[9, 15, 16, 21, 24, 25, 27, 32, 33, 35, 36, 39, 40, 49, 51, 55, 56, 57, 60, 65, 69, 77, 84, 85, 87, 88, 91, 93, 95, 100, 104, 108, 111, 115, 119, 121, 123, 125, 129, 132, 133, 136, 140, 141, 143, 145, 152, 155, 156, 159, 161, 169, 177, 183, 184, 185, 187, 196]

cp's OEIS Frontend

A257409 Values of n such that there are exactly 2 solutions to x^2 - y^2 = n, with x > y >= 0.

Table of values

List of values

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	49
15	51
16	55
17	56
18	57
19	60
20	65
21	69
22	77
23	84
24	85
25	87
26	88
27	91
28	93
29	95
30	100
31	104
32	108
33	111
34	115
35	119
36	121
37	123
38	125
39	129
40	132
41	133
42	136
43	140
44	141
45	143
46	145
47	152
48	155
49	156
50	159
51	161
52	169
53	177
54	183
55	184
56	185
57	187
58	196

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	49
15	51
16	55
17	56
18	57
19	60
20	65
21	69
22	77
23	84
24	85
25	87
26	88
27	91
28	93
29	95
30	100
31	104
32	108
33	111
34	115
35	119
36	121
37	123
38	125
39	129
40	132
41	133
42	136
43	140
44	141
45	143
46	145
47	152
48	155
49	156
50	159
51	161
52	169
53	177
54	183
55	184
56	185
57	187
58	196

n	a(n)
1	9
2	15
3	16
4	21
5	24
6	25
7	27
8	32
9	33
10	35
11	36
12	39
13	40
14	49
15	51
16	55
17	56
18	57
19	60
20	65
21	69
22	77
23	84
24	85
25	87
26	88
27	91
28	93
29	95
30	100
31	104
32	108
33	111
34	115
35	119
36	121
37	123
38	125
39	129
40	132
41	133
42	136
43	140
44	141
45	143
46	145
47	152
48	155
49	156
50	159
51	161
52	169
53	177
54	183
55	184
56	185
57	187
58	196