A266909 - cp's OEIS frontend

A266909 Table read by rows: for each k < n and coprime to n, the least x>=0 such that x*n+k is prime.

n	a(n)
1	1
2	2
3	0
4	1
5	0
6	2
7	0
8	0
9	3
10	1
11	0
12	4
13	0
14	0
15	1
16	0
17	1
18	2
19	0
20	0
21	0
22	2
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	0
31	1
32	2
33	0
34	0
35	3
36	0
37	1
38	0
39	1
40	2
41	3
42	1
43	0
44	0
45	0
46	4
47	0
48	0
49	1
50	0
51	1
52	0
53	3
54	4
55	1
56	0
57	7
58	2
59	0
60	0
61	1
62	0
63	0
64	2
65	0
66	1
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	2
77	0
78	0
79	1
80	6
81	0
82	0
83	5
84	0
85	1
86	0
87	3
88	2
89	3
90	0
91	1
92	0
93	1
94	4
95	3
96	1
97	0
98	0
99	0
100	0
101	0
102	10
103	0

[1, 2, 0, 1, 0, 2, 0, 0, 3, 1, 0, 4, 0, 0, 1, 0, 1, 2, 0, 0, 0, 2, 0, 1, 0, 0, 1, 1, 0, 0, 1, 2, 0, 0, 3, 0, 1, 0, 1, 2, 3, 1, 0, 0, 0, 4, 0, 0, 1, 0, 1, 0, 3, 4, 1, 0, 7, 2, 0, 0, 1, 0, 0, 2, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 2, 0, 0, 1, 6, 0, 0, 5, 0, 1, 0, 3, 2, 3, 0, 1, 0, 1, 4, 3, 1, 0, 0, 0, 0, 0, 10, 0]

cp's OEIS Frontend

A266909 Table read by rows: for each k < n and coprime to n, the least x>=0 such that x*n+k is prime.

Table of values

List of values

n	a(n)
1	1
2	2
3	0
4	1
5	0
6	2
7	0
8	0
9	3
10	1
11	0
12	4
13	0
14	0
15	1
16	0
17	1
18	2
19	0
20	0
21	0
22	2
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	0
31	1
32	2
33	0
34	0
35	3
36	0
37	1
38	0
39	1
40	2
41	3
42	1
43	0
44	0
45	0
46	4
47	0
48	0
49	1
50	0
51	1
52	0
53	3
54	4
55	1
56	0
57	7
58	2
59	0
60	0
61	1
62	0
63	0
64	2
65	0
66	1
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	2
77	0
78	0
79	1
80	6
81	0
82	0
83	5
84	0
85	1
86	0
87	3
88	2
89	3
90	0
91	1
92	0
93	1
94	4
95	3
96	1
97	0
98	0
99	0
100	0
101	0
102	10
103	0

n	a(n)
1	1
2	2
3	0
4	1
5	0
6	2
7	0
8	0
9	3
10	1
11	0
12	4
13	0
14	0
15	1
16	0
17	1
18	2
19	0
20	0
21	0
22	2
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	0
31	1
32	2
33	0
34	0
35	3
36	0
37	1
38	0
39	1
40	2
41	3
42	1
43	0
44	0
45	0
46	4
47	0
48	0
49	1
50	0
51	1
52	0
53	3
54	4
55	1
56	0
57	7
58	2
59	0
60	0
61	1
62	0
63	0
64	2
65	0
66	1
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	2
77	0
78	0
79	1
80	6
81	0
82	0
83	5
84	0
85	1
86	0
87	3
88	2
89	3
90	0
91	1
92	0
93	1
94	4
95	3
96	1
97	0
98	0
99	0
100	0
101	0
102	10
103	0

n	a(n)
1	1
2	2
3	0
4	1
5	0
6	2
7	0
8	0
9	3
10	1
11	0
12	4
13	0
14	0
15	1
16	0
17	1
18	2
19	0
20	0
21	0
22	2
23	0
24	1
25	0
26	0
27	1
28	1
29	0
30	0
31	1
32	2
33	0
34	0
35	3
36	0
37	1
38	0
39	1
40	2
41	3
42	1
43	0
44	0
45	0
46	4
47	0
48	0
49	1
50	0
51	1
52	0
53	3
54	4
55	1
56	0
57	7
58	2
59	0
60	0
61	1
62	0
63	0
64	2
65	0
66	1
67	0
68	1
69	0
70	0
71	1
72	1
73	0
74	0
75	0
76	2
77	0
78	0
79	1
80	6
81	0
82	0
83	5
84	0
85	1
86	0
87	3
88	2
89	3
90	0
91	1
92	0
93	1
94	4
95	3
96	1
97	0
98	0
99	0
100	0
101	0
102	10
103	0