A053447 - cp's OEIS frontend

A053447 Multiplicative order of 4 mod 2n+1.

n	a(n)
0	1
1	1
2	2
3	3
4	3
5	5
6	6
7	2
8	4
9	9
10	3
11	11
12	10
13	9
14	14
15	5
16	5
17	6
18	18
19	6
20	10
21	7
22	6
23	23
24	21
25	4
26	26
27	10
28	9
29	29
30	30
31	3
32	6
33	33
34	11
35	35
36	9
37	10
38	15
39	39
40	27
41	41
42	4
43	14
44	11
45	6
46	5
47	18
48	24
49	15
50	50
51	51
52	6
53	53
54	18
55	18
56	14
57	22
58	6
59	12
60	55
61	10
62	50
63	7
64	7
65	65
66	9
67	18
68	34
69	69
70	23
71	30
72	14
73	21
74	74
75	15
76	12
77	10
78	26

[1, 1, 2, 3, 3, 5, 6, 2, 4, 9, 3, 11, 10, 9, 14, 5, 5, 6, 18, 6, 10, 7, 6, 23, 21, 4, 26, 10, 9, 29, 30, 3, 6, 33, 11, 35, 9, 10, 15, 39, 27, 41, 4, 14, 11, 6, 5, 18, 24, 15, 50, 51, 6, 53, 18, 18, 14, 22, 6, 12, 55, 10, 50, 7, 7, 65, 9, 18, 34, 69, 23, 30, 14, 21, 74, 15, 12, 10, 26]

cp's OEIS Frontend

A053447 Multiplicative order of 4 mod 2n+1.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	3
4	3
5	5
6	6
7	2
8	4
9	9
10	3
11	11
12	10
13	9
14	14
15	5
16	5
17	6
18	18
19	6
20	10
21	7
22	6
23	23
24	21
25	4
26	26
27	10
28	9
29	29
30	30
31	3
32	6
33	33
34	11
35	35
36	9
37	10
38	15
39	39
40	27
41	41
42	4
43	14
44	11
45	6
46	5
47	18
48	24
49	15
50	50
51	51
52	6
53	53
54	18
55	18
56	14
57	22
58	6
59	12
60	55
61	10
62	50
63	7
64	7
65	65
66	9
67	18
68	34
69	69
70	23
71	30
72	14
73	21
74	74
75	15
76	12
77	10
78	26

n	a(n)
0	1
1	1
2	2
3	3
4	3
5	5
6	6
7	2
8	4
9	9
10	3
11	11
12	10
13	9
14	14
15	5
16	5
17	6
18	18
19	6
20	10
21	7
22	6
23	23
24	21
25	4
26	26
27	10
28	9
29	29
30	30
31	3
32	6
33	33
34	11
35	35
36	9
37	10
38	15
39	39
40	27
41	41
42	4
43	14
44	11
45	6
46	5
47	18
48	24
49	15
50	50
51	51
52	6
53	53
54	18
55	18
56	14
57	22
58	6
59	12
60	55
61	10
62	50
63	7
64	7
65	65
66	9
67	18
68	34
69	69
70	23
71	30
72	14
73	21
74	74
75	15
76	12
77	10
78	26

n	a(n)
0	1
1	1
2	2
3	3
4	3
5	5
6	6
7	2
8	4
9	9
10	3
11	11
12	10
13	9
14	14
15	5
16	5
17	6
18	18
19	6
20	10
21	7
22	6
23	23
24	21
25	4
26	26
27	10
28	9
29	29
30	30
31	3
32	6
33	33
34	11
35	35
36	9
37	10
38	15
39	39
40	27
41	41
42	4
43	14
44	11
45	6
46	5
47	18
48	24
49	15
50	50
51	51
52	6
53	53
54	18
55	18
56	14
57	22
58	6
59	12
60	55
61	10
62	50
63	7
64	7
65	65
66	9
67	18
68	34
69	69
70	23
71	30
72	14
73	21
74	74
75	15
76	12
77	10
78	26