A328411 - cp's OEIS frontend

A328411 Largest m such that (Z/mZ)* = C_2 X C_(2n), or 0 if no such m exists, where (Z/mZ)* is the multiplicative group of integers modulo m.

n	a(n)
1	12
2	30
3	42
4	32
5	66
6	90
7	0
8	102
9	114
10	150
11	138
12	0
13	0
14	174
15	198
16	128
17	0
18	270
19	0
20	246
21	294
22	230
23	282
24	306
25	0
26	318
27	324
28	0
29	354
30	450
31	0
32	256
33	414
34	0
35	426
36	438
37	0
38	0
39	474
40	374
41	498
42	522
43	0
44	534
45	594
46	470
47	0
48	582
49	0
50	750
51	618
52	0
53	642
54	810
55	726
56	678
57	0
58	590
59	0
60	738
61	0
62	0
63	762
64	512

[12, 30, 42, 32, 66, 90, 0, 102, 114, 150, 138, 0, 0, 174, 198, 128, 0, 270, 0, 246, 294, 230, 282, 306, 0, 318, 324, 0, 354, 450, 0, 256, 414, 0, 426, 438, 0, 0, 474, 374, 498, 522, 0, 534, 594, 470, 0, 582, 0, 750, 618, 0, 642, 810, 726, 678, 0, 590, 0, 738, 0, 0, 762, 512]

cp's OEIS Frontend

A328411 Largest m such that (Z/mZ)* = C_2 X C_(2n), or 0 if no such m exists, where (Z/mZ)* is the multiplicative group of integers modulo m.

Table of values

List of values

n	a(n)
1	12
2	30
3	42
4	32
5	66
6	90
7	0
8	102
9	114
10	150
11	138
12	0
13	0
14	174
15	198
16	128
17	0
18	270
19	0
20	246
21	294
22	230
23	282
24	306
25	0
26	318
27	324
28	0
29	354
30	450
31	0
32	256
33	414
34	0
35	426
36	438
37	0
38	0
39	474
40	374
41	498
42	522
43	0
44	534
45	594
46	470
47	0
48	582
49	0
50	750
51	618
52	0
53	642
54	810
55	726
56	678
57	0
58	590
59	0
60	738
61	0
62	0
63	762
64	512

n	a(n)
1	12
2	30
3	42
4	32
5	66
6	90
7	0
8	102
9	114
10	150
11	138
12	0
13	0
14	174
15	198
16	128
17	0
18	270
19	0
20	246
21	294
22	230
23	282
24	306
25	0
26	318
27	324
28	0
29	354
30	450
31	0
32	256
33	414
34	0
35	426
36	438
37	0
38	0
39	474
40	374
41	498
42	522
43	0
44	534
45	594
46	470
47	0
48	582
49	0
50	750
51	618
52	0
53	642
54	810
55	726
56	678
57	0
58	590
59	0
60	738
61	0
62	0
63	762
64	512

n	a(n)
1	12
2	30
3	42
4	32
5	66
6	90
7	0
8	102
9	114
10	150
11	138
12	0
13	0
14	174
15	198
16	128
17	0
18	270
19	0
20	246
21	294
22	230
23	282
24	306
25	0
26	318
27	324
28	0
29	354
30	450
31	0
32	256
33	414
34	0
35	426
36	438
37	0
38	0
39	474
40	374
41	498
42	522
43	0
44	534
45	594
46	470
47	0
48	582
49	0
50	750
51	618
52	0
53	642
54	810
55	726
56	678
57	0
58	590
59	0
60	738
61	0
62	0
63	762
64	512