A328414 - cp's OEIS frontend

A328414 Numbers k such that (Z/mZ)* = C_2 X C_(2k) has no solutions m, where (Z/mZ)* is the multiplicative group of integers modulo m.

n	a(n)
1	7
2	12
3	13
4	17
5	19
6	25
7	28
8	31
9	34
10	37
11	38
12	43
13	47
14	49
15	52
16	57
17	59
18	61
19	62
20	67
21	71
22	73
23	76
24	77
25	79
26	80
27	84
28	85
29	91
30	92
31	93
32	94
33	97
34	100
35	101
36	103
37	104
38	107
39	108
40	109
41	112
42	117
43	118
44	121
45	122
46	124
47	127
48	129
49	133
50	137
51	139
52	142
53	143
54	144
55	148
56	149
57	151
58	152
59	157
60	160
61	161
62	163
63	164

[7, 12, 13, 17, 19, 25, 28, 31, 34, 37, 38, 43, 47, 49, 52, 57, 59, 61, 62, 67, 71, 73, 76, 77, 79, 80, 84, 85, 91, 92, 93, 94, 97, 100, 101, 103, 104, 107, 108, 109, 112, 117, 118, 121, 122, 124, 127, 129, 133, 137, 139, 142, 143, 144, 148, 149, 151, 152, 157, 160, 161, 163, 164]

cp's OEIS Frontend

A328414 Numbers k such that (Z/mZ)* = C_2 X C_(2k) has no solutions m, where (Z/mZ)* is the multiplicative group of integers modulo m.

Table of values

List of values

n	a(n)
1	7
2	12
3	13
4	17
5	19
6	25
7	28
8	31
9	34
10	37
11	38
12	43
13	47
14	49
15	52
16	57
17	59
18	61
19	62
20	67
21	71
22	73
23	76
24	77
25	79
26	80
27	84
28	85
29	91
30	92
31	93
32	94
33	97
34	100
35	101
36	103
37	104
38	107
39	108
40	109
41	112
42	117
43	118
44	121
45	122
46	124
47	127
48	129
49	133
50	137
51	139
52	142
53	143
54	144
55	148
56	149
57	151
58	152
59	157
60	160
61	161
62	163
63	164

n	a(n)
1	7
2	12
3	13
4	17
5	19
6	25
7	28
8	31
9	34
10	37
11	38
12	43
13	47
14	49
15	52
16	57
17	59
18	61
19	62
20	67
21	71
22	73
23	76
24	77
25	79
26	80
27	84
28	85
29	91
30	92
31	93
32	94
33	97
34	100
35	101
36	103
37	104
38	107
39	108
40	109
41	112
42	117
43	118
44	121
45	122
46	124
47	127
48	129
49	133
50	137
51	139
52	142
53	143
54	144
55	148
56	149
57	151
58	152
59	157
60	160
61	161
62	163
63	164

n	a(n)
1	7
2	12
3	13
4	17
5	19
6	25
7	28
8	31
9	34
10	37
11	38
12	43
13	47
14	49
15	52
16	57
17	59
18	61
19	62
20	67
21	71
22	73
23	76
24	77
25	79
26	80
27	84
28	85
29	91
30	92
31	93
32	94
33	97
34	100
35	101
36	103
37	104
38	107
39	108
40	109
41	112
42	117
43	118
44	121
45	122
46	124
47	127
48	129
49	133
50	137
51	139
52	142
53	143
54	144
55	148
56	149
57	151
58	152
59	157
60	160
61	161
62	163
63	164