A094918 - cp's OEIS frontend

A094918 a(n) = (3^n-1)/2 mod n.

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

[0, 0, 1, 0, 1, 4, 1, 0, 4, 4, 1, 4, 1, 4, 13, 0, 1, 4, 1, 0, 13, 4, 1, 16, 21, 4, 13, 12, 1, 4, 1, 0, 13, 4, 23, 4, 1, 4, 13, 0, 1, 28, 1, 40, 31, 4, 1, 16, 15, 24, 13, 40, 1, 40, 33, 32, 13, 4, 1, 40, 1, 4, 13, 0, 56, 34, 1, 40, 13, 54, 1, 40, 1, 4, 28, 40, 37, 52, 1, 0, 40, 4, 1, 28, 36, 4, 13, 24]

cp's OEIS Frontend

A094918 a(n) = (3^n-1)/2 mod n.

Table of values

List of values

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

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

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