A204995 - cp's OEIS frontend

A204995 The index j such that n divides k^2-j^2, where k is the least index (A204905) for which such j exists.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	4
10	4
11	5
12	2
13	6
14	6
15	1
16	3
17	8
18	3
19	9
20	4
21	2
22	10
23	11
24	1
25	5
26	12
27	3
28	6
29	14
30	2
31	15
32	2
33	4
34	16
35	1
36	3
37	18
38	18
39	5
40	3
41	20
42	4
43	21
44	10
45	2
46	22
47	23
48	1
49	7
50	5
51	7
52	12
53	26
54	6
55	3
56	5
57	8
58	28
59	29
60	2

[1, 1, 1, 1, 2, 2, 3, 1, 4, 4, 5, 2, 6, 6, 1, 3, 8, 3, 9, 4, 2, 10, 11, 1, 5, 12, 3, 6, 14, 2, 15, 2, 4, 16, 1, 3, 18, 18, 5, 3, 20, 4, 21, 10, 2, 22, 23, 1, 7, 5, 7, 12, 26, 6, 3, 5, 8, 28, 29, 2]

cp's OEIS Frontend

A204995 The index j such that n divides k^2-j^2, where k is the least index (A204905) for which such j exists.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	4
10	4
11	5
12	2
13	6
14	6
15	1
16	3
17	8
18	3
19	9
20	4
21	2
22	10
23	11
24	1
25	5
26	12
27	3
28	6
29	14
30	2
31	15
32	2
33	4
34	16
35	1
36	3
37	18
38	18
39	5
40	3
41	20
42	4
43	21
44	10
45	2
46	22
47	23
48	1
49	7
50	5
51	7
52	12
53	26
54	6
55	3
56	5
57	8
58	28
59	29
60	2

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	4
10	4
11	5
12	2
13	6
14	6
15	1
16	3
17	8
18	3
19	9
20	4
21	2
22	10
23	11
24	1
25	5
26	12
27	3
28	6
29	14
30	2
31	15
32	2
33	4
34	16
35	1
36	3
37	18
38	18
39	5
40	3
41	20
42	4
43	21
44	10
45	2
46	22
47	23
48	1
49	7
50	5
51	7
52	12
53	26
54	6
55	3
56	5
57	8
58	28
59	29
60	2

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	4
10	4
11	5
12	2
13	6
14	6
15	1
16	3
17	8
18	3
19	9
20	4
21	2
22	10
23	11
24	1
25	5
26	12
27	3
28	6
29	14
30	2
31	15
32	2
33	4
34	16
35	1
36	3
37	18
38	18
39	5
40	3
41	20
42	4
43	21
44	10
45	2
46	22
47	23
48	1
49	7
50	5
51	7
52	12
53	26
54	6
55	3
56	5
57	8
58	28
59	29
60	2