A192327 - cp's OEIS frontend

A192327 a(n) = prime(n) mod 2*n.

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

[0, 3, 5, 7, 1, 1, 3, 3, 5, 9, 9, 13, 15, 15, 17, 21, 25, 25, 29, 31, 31, 35, 37, 41, 47, 49, 49, 51, 51, 53, 3, 3, 5, 3, 9, 7, 9, 11, 11, 13, 15, 13, 19, 17, 17, 15, 23, 31, 31, 29, 29, 31, 29, 35, 37, 39, 41, 39, 41, 41, 39, 45, 55, 55, 53, 53, 63, 65, 71, 69, 69, 71, 75, 77, 79, 79]

cp's OEIS Frontend

A192327 a(n) = prime(n) mod 2*n.

Table of values

List of values

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

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

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