A094919 - cp's OEIS frontend

A094919 a(n) = (4^n-1)/3 mod n.

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	3
7	1
8	5
9	0
10	5
11	1
12	9
13	1
14	5
15	6
16	5
17	1
18	9
19	1
20	5
21	0
22	5
23	1
24	21
25	16
26	5
27	0
28	1
29	1
30	15
31	1
32	21
33	21
34	5
35	26
36	9
37	1
38	5
39	21
40	5
41	1
42	21
43	1
44	41
45	36
46	5
47	1
48	21
49	22
50	25
51	21
52	33
53	1
54	27
55	11
56	5
57	21
58	5
59	1
60	45
61	1
62	5
63	0
64	21
65	16
66	45
67	1
68	17
69	21
70	15
71	1
72	45
73	1
74	5
75	66
76	9
77	5
78	39
79	1
80	5
81	0
82	5
83	1
84	21
85	1
86	5
87	21
88	21
89	1
90	45

[0, 1, 0, 1, 1, 3, 1, 5, 0, 5, 1, 9, 1, 5, 6, 5, 1, 9, 1, 5, 0, 5, 1, 21, 16, 5, 0, 1, 1, 15, 1, 21, 21, 5, 26, 9, 1, 5, 21, 5, 1, 21, 1, 41, 36, 5, 1, 21, 22, 25, 21, 33, 1, 27, 11, 5, 21, 5, 1, 45, 1, 5, 0, 21, 16, 45, 1, 17, 21, 15, 1, 45, 1, 5, 66, 9, 5, 39, 1, 5, 0, 5, 1, 21, 1, 5, 21, 21, 1, 45]

cp's OEIS Frontend

A094919 a(n) = (4^n-1)/3 mod n.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	3
7	1
8	5
9	0
10	5
11	1
12	9
13	1
14	5
15	6
16	5
17	1
18	9
19	1
20	5
21	0
22	5
23	1
24	21
25	16
26	5
27	0
28	1
29	1
30	15
31	1
32	21
33	21
34	5
35	26
36	9
37	1
38	5
39	21
40	5
41	1
42	21
43	1
44	41
45	36
46	5
47	1
48	21
49	22
50	25
51	21
52	33
53	1
54	27
55	11
56	5
57	21
58	5
59	1
60	45
61	1
62	5
63	0
64	21
65	16
66	45
67	1
68	17
69	21
70	15
71	1
72	45
73	1
74	5
75	66
76	9
77	5
78	39
79	1
80	5
81	0
82	5
83	1
84	21
85	1
86	5
87	21
88	21
89	1
90	45

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	3
7	1
8	5
9	0
10	5
11	1
12	9
13	1
14	5
15	6
16	5
17	1
18	9
19	1
20	5
21	0
22	5
23	1
24	21
25	16
26	5
27	0
28	1
29	1
30	15
31	1
32	21
33	21
34	5
35	26
36	9
37	1
38	5
39	21
40	5
41	1
42	21
43	1
44	41
45	36
46	5
47	1
48	21
49	22
50	25
51	21
52	33
53	1
54	27
55	11
56	5
57	21
58	5
59	1
60	45
61	1
62	5
63	0
64	21
65	16
66	45
67	1
68	17
69	21
70	15
71	1
72	45
73	1
74	5
75	66
76	9
77	5
78	39
79	1
80	5
81	0
82	5
83	1
84	21
85	1
86	5
87	21
88	21
89	1
90	45

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	3
7	1
8	5
9	0
10	5
11	1
12	9
13	1
14	5
15	6
16	5
17	1
18	9
19	1
20	5
21	0
22	5
23	1
24	21
25	16
26	5
27	0
28	1
29	1
30	15
31	1
32	21
33	21
34	5
35	26
36	9
37	1
38	5
39	21
40	5
41	1
42	21
43	1
44	41
45	36
46	5
47	1
48	21
49	22
50	25
51	21
52	33
53	1
54	27
55	11
56	5
57	21
58	5
59	1
60	45
61	1
62	5
63	0
64	21
65	16
66	45
67	1
68	17
69	21
70	15
71	1
72	45
73	1
74	5
75	66
76	9
77	5
78	39
79	1
80	5
81	0
82	5
83	1
84	21
85	1
86	5
87	21
88	21
89	1
90	45