A061409 - cp's OEIS frontend

A061409 For each y >= 1 there are only finitely many values of x >= 1 such that x-y and x+y are both positive squares; list all such pairs (x,y) ordered by values of y; sequence gives x values.

n	a(n)
0	5
1	10
2	17
3	26
4	13
5	37
6	50
7	20
8	65
9	82
10	29
11	101
12	122
13	25
14	40
15	145
16	170
17	53
18	197
19	34
20	226
21	68
22	257
23	290
24	45
25	85
26	325
27	362
28	41
29	104
30	401
31	58
32	442
33	125
34	485
35	530
36	52
37	73
38	148
39	577
40	626
41	173
42	677
43	90
44	730
45	65
46	200
47	785
48	842
49	61
50	109
51	229
52	901
53	962

[5, 10, 17, 26, 13, 37, 50, 20, 65, 82, 29, 101, 122, 25, 40, 145, 170, 53, 197, 34, 226, 68, 257, 290, 45, 85, 325, 362, 41, 104, 401, 58, 442, 125, 485, 530, 52, 73, 148, 577, 626, 173, 677, 90, 730, 65, 200, 785, 842, 61, 109, 229, 901, 962]

cp's OEIS Frontend

A061409 For each y >= 1 there are only finitely many values of x >= 1 such that x-y and x+y are both positive squares; list all such pairs (x,y) ordered by values of y; sequence gives x values.

Table of values

List of values

n	a(n)
0	5
1	10
2	17
3	26
4	13
5	37
6	50
7	20
8	65
9	82
10	29
11	101
12	122
13	25
14	40
15	145
16	170
17	53
18	197
19	34
20	226
21	68
22	257
23	290
24	45
25	85
26	325
27	362
28	41
29	104
30	401
31	58
32	442
33	125
34	485
35	530
36	52
37	73
38	148
39	577
40	626
41	173
42	677
43	90
44	730
45	65
46	200
47	785
48	842
49	61
50	109
51	229
52	901
53	962

n	a(n)
0	5
1	10
2	17
3	26
4	13
5	37
6	50
7	20
8	65
9	82
10	29
11	101
12	122
13	25
14	40
15	145
16	170
17	53
18	197
19	34
20	226
21	68
22	257
23	290
24	45
25	85
26	325
27	362
28	41
29	104
30	401
31	58
32	442
33	125
34	485
35	530
36	52
37	73
38	148
39	577
40	626
41	173
42	677
43	90
44	730
45	65
46	200
47	785
48	842
49	61
50	109
51	229
52	901
53	962

n	a(n)
0	5
1	10
2	17
3	26
4	13
5	37
6	50
7	20
8	65
9	82
10	29
11	101
12	122
13	25
14	40
15	145
16	170
17	53
18	197
19	34
20	226
21	68
22	257
23	290
24	45
25	85
26	325
27	362
28	41
29	104
30	401
31	58
32	442
33	125
34	485
35	530
36	52
37	73
38	148
39	577
40	626
41	173
42	677
43	90
44	730
45	65
46	200
47	785
48	842
49	61
50	109
51	229
52	901
53	962