A232928 - cp's OEIS frontend

A232928 a(n) is the smallest q such that the primes<=q generate the multiplicative group modulo n.

n	a(n)
3	2
4	3
5	2
6	5
7	3
8	5
9	2
10	3
11	2
12	7
13	2
14	3
15	7
16	5
17	3
18	5
19	2
20	11
21	5
22	7
23	5
24	13
25	2
26	5
27	2
28	5
29	2
30	11
31	3
32	5
33	5
34	3
35	3
36	7
37	2
38	3
39	7
40	11
41	3
42	11
43	3
44	7
45	7
46	5
47	5
48	13
49	3
50	3
51	5
52	5
53	2
54	5
55	3
56	11
57	5
58	3
59	2
60	13
61	2
62	3
63	5
64	5
65	3
66	7
67	2
68	5
69	5
70	19
71	7
72	13
73	5
74	5
75	7
76	7
77	3
78	7
79	3
80	11
81	2
82	5
83	2
84	13
85	3
86	3
87	5
88	7
89	3
90	11
91	3
92	5
93	11
94	5
95	7
96	13
97	5
98	3
99	5
100	11
101	2
102	7
103	3
104	11
105	13
106	3
107	2
108	7
109	3
110	7
111	11
112	11
113	3
114	13
115	7
116	7
117	7
118	11
119	11
120	17

[2, 3, 2, 5, 3, 5, 2, 3, 2, 7, 2, 3, 7, 5, 3, 5, 2, 11, 5, 7, 5, 13, 2, 5, 2, 5, 2, 11, 3, 5, 5, 3, 3, 7, 2, 3, 7, 11, 3, 11, 3, 7, 7, 5, 5, 13, 3, 3, 5, 5, 2, 5, 3, 11, 5, 3, 2, 13, 2, 3, 5, 5, 3, 7, 2, 5, 5, 19, 7, 13, 5, 5, 7, 7, 3, 7, 3, 11, 2, 5, 2, 13, 3, 3, 5, 7, 3, 11, 3, 5, 11, 5, 7, 13, 5, 3, 5, 11, 2, 7, 3, 11, 13, 3, 2, 7, 3, 7, 11, 11, 3, 13, 7, 7, 7, 11, 11, 17]

cp's OEIS Frontend

A232928 a(n) is the smallest q such that the primes<=q generate the multiplicative group modulo n.

Table of values

List of values

n	a(n)
3	2
4	3
5	2
6	5
7	3
8	5
9	2
10	3
11	2
12	7
13	2
14	3
15	7
16	5
17	3
18	5
19	2
20	11
21	5
22	7
23	5
24	13
25	2
26	5
27	2
28	5
29	2
30	11
31	3
32	5
33	5
34	3
35	3
36	7
37	2
38	3
39	7
40	11
41	3
42	11
43	3
44	7
45	7
46	5
47	5
48	13
49	3
50	3
51	5
52	5
53	2
54	5
55	3
56	11
57	5
58	3
59	2
60	13
61	2
62	3
63	5
64	5
65	3
66	7
67	2
68	5
69	5
70	19
71	7
72	13
73	5
74	5
75	7
76	7
77	3
78	7
79	3
80	11
81	2
82	5
83	2
84	13
85	3
86	3
87	5
88	7
89	3
90	11
91	3
92	5
93	11
94	5
95	7
96	13
97	5
98	3
99	5
100	11
101	2
102	7
103	3
104	11
105	13
106	3
107	2
108	7
109	3
110	7
111	11
112	11
113	3
114	13
115	7
116	7
117	7
118	11
119	11
120	17

n	a(n)
3	2
4	3
5	2
6	5
7	3
8	5
9	2
10	3
11	2
12	7
13	2
14	3
15	7
16	5
17	3
18	5
19	2
20	11
21	5
22	7
23	5
24	13
25	2
26	5
27	2
28	5
29	2
30	11
31	3
32	5
33	5
34	3
35	3
36	7
37	2
38	3
39	7
40	11
41	3
42	11
43	3
44	7
45	7
46	5
47	5
48	13
49	3
50	3
51	5
52	5
53	2
54	5
55	3
56	11
57	5
58	3
59	2
60	13
61	2
62	3
63	5
64	5
65	3
66	7
67	2
68	5
69	5
70	19
71	7
72	13
73	5
74	5
75	7
76	7
77	3
78	7
79	3
80	11
81	2
82	5
83	2
84	13
85	3
86	3
87	5
88	7
89	3
90	11
91	3
92	5
93	11
94	5
95	7
96	13
97	5
98	3
99	5
100	11
101	2
102	7
103	3
104	11
105	13
106	3
107	2
108	7
109	3
110	7
111	11
112	11
113	3
114	13
115	7
116	7
117	7
118	11
119	11
120	17

n	a(n)
3	2
4	3
5	2
6	5
7	3
8	5
9	2
10	3
11	2
12	7
13	2
14	3
15	7
16	5
17	3
18	5
19	2
20	11
21	5
22	7
23	5
24	13
25	2
26	5
27	2
28	5
29	2
30	11
31	3
32	5
33	5
34	3
35	3
36	7
37	2
38	3
39	7
40	11
41	3
42	11
43	3
44	7
45	7
46	5
47	5
48	13
49	3
50	3
51	5
52	5
53	2
54	5
55	3
56	11
57	5
58	3
59	2
60	13
61	2
62	3
63	5
64	5
65	3
66	7
67	2
68	5
69	5
70	19
71	7
72	13
73	5
74	5
75	7
76	7
77	3
78	7
79	3
80	11
81	2
82	5
83	2
84	13
85	3
86	3
87	5
88	7
89	3
90	11
91	3
92	5
93	11
94	5
95	7
96	13
97	5
98	3
99	5
100	11
101	2
102	7
103	3
104	11
105	13
106	3
107	2
108	7
109	3
110	7
111	11
112	11
113	3
114	13
115	7
116	7
117	7
118	11
119	11
120	17