A296233 - cp's OEIS frontend

A296233 Numbers k such that U(i) is not isomorphic to U(k) for all i < k, where U(k) is the multiplicative group of integers modulo k.

n	a(n)
1	1
2	3
3	5
4	7
5	8
6	11
7	13
8	15
9	17
10	19
11	21
12	23
13	24
14	25
15	29
16	31
17	32
18	33
19	35
20	37
21	40
22	41
23	43
24	47
25	51
26	53
27	55
28	56
29	57
30	59
31	61
32	63
33	65
34	67
35	69
36	71
37	73
38	77
39	79
40	80
41	81
42	83
43	85
44	87
45	88
46	89
47	91
48	95
49	96
50	97
51	101
52	103
53	104
54	107
55	109
56	113
57	115
58	119
59	120
60	121
61	123
62	127
63	128

[1, 3, 5, 7, 8, 11, 13, 15, 17, 19, 21, 23, 24, 25, 29, 31, 32, 33, 35, 37, 40, 41, 43, 47, 51, 53, 55, 56, 57, 59, 61, 63, 65, 67, 69, 71, 73, 77, 79, 80, 81, 83, 85, 87, 88, 89, 91, 95, 96, 97, 101, 103, 104, 107, 109, 113, 115, 119, 120, 121, 123, 127, 128]

cp's OEIS Frontend

A296233 Numbers k such that U(i) is not isomorphic to U(k) for all i < k, where U(k) is the multiplicative group of integers modulo k.

Table of values

List of values

n	a(n)
1	1
2	3
3	5
4	7
5	8
6	11
7	13
8	15
9	17
10	19
11	21
12	23
13	24
14	25
15	29
16	31
17	32
18	33
19	35
20	37
21	40
22	41
23	43
24	47
25	51
26	53
27	55
28	56
29	57
30	59
31	61
32	63
33	65
34	67
35	69
36	71
37	73
38	77
39	79
40	80
41	81
42	83
43	85
44	87
45	88
46	89
47	91
48	95
49	96
50	97
51	101
52	103
53	104
54	107
55	109
56	113
57	115
58	119
59	120
60	121
61	123
62	127
63	128

n	a(n)
1	1
2	3
3	5
4	7
5	8
6	11
7	13
8	15
9	17
10	19
11	21
12	23
13	24
14	25
15	29
16	31
17	32
18	33
19	35
20	37
21	40
22	41
23	43
24	47
25	51
26	53
27	55
28	56
29	57
30	59
31	61
32	63
33	65
34	67
35	69
36	71
37	73
38	77
39	79
40	80
41	81
42	83
43	85
44	87
45	88
46	89
47	91
48	95
49	96
50	97
51	101
52	103
53	104
54	107
55	109
56	113
57	115
58	119
59	120
60	121
61	123
62	127
63	128

n	a(n)
1	1
2	3
3	5
4	7
5	8
6	11
7	13
8	15
9	17
10	19
11	21
12	23
13	24
14	25
15	29
16	31
17	32
18	33
19	35
20	37
21	40
22	41
23	43
24	47
25	51
26	53
27	55
28	56
29	57
30	59
31	61
32	63
33	65
34	67
35	69
36	71
37	73
38	77
39	79
40	80
41	81
42	83
43	85
44	87
45	88
46	89
47	91
48	95
49	96
50	97
51	101
52	103
53	104
54	107
55	109
56	113
57	115
58	119
59	120
60	121
61	123
62	127
63	128