A253235 - cp's OEIS frontend

A253235 Numbers n such that the n-th cyclotomic polynomial has no root mod p for all primes p <= n.

n	a(n)
1	1
2	12
3	15
4	24
5	28
6	30
7	33
8	35
9	36
10	40
11	44
12	45
13	48
14	51
15	56
16	60
17	63
18	65
19	66
20	69
21	70
22	72
23	75
24	76
25	77
26	80
27	84
28	85
29	87
30	88
31	90
32	91
33	92
34	95
35	96
36	99
37	102
38	104
39	105
40	108
41	112
42	115
43	117
44	119
45	120
46	123
47	124
48	126
49	130
50	132
51	133
52	135
53	138
54	140
55	141
56	143
57	144
58	145
59	150
60	152
61	153
62	154

[1, 12, 15, 24, 28, 30, 33, 35, 36, 40, 44, 45, 48, 51, 56, 60, 63, 65, 66, 69, 70, 72, 75, 76, 77, 80, 84, 85, 87, 88, 90, 91, 92, 95, 96, 99, 102, 104, 105, 108, 112, 115, 117, 119, 120, 123, 124, 126, 130, 132, 133, 135, 138, 140, 141, 143, 144, 145, 150, 152, 153, 154]

cp's OEIS Frontend

A253235 Numbers n such that the n-th cyclotomic polynomial has no root mod p for all primes p <= n.

Table of values

List of values

n	a(n)
1	1
2	12
3	15
4	24
5	28
6	30
7	33
8	35
9	36
10	40
11	44
12	45
13	48
14	51
15	56
16	60
17	63
18	65
19	66
20	69
21	70
22	72
23	75
24	76
25	77
26	80
27	84
28	85
29	87
30	88
31	90
32	91
33	92
34	95
35	96
36	99
37	102
38	104
39	105
40	108
41	112
42	115
43	117
44	119
45	120
46	123
47	124
48	126
49	130
50	132
51	133
52	135
53	138
54	140
55	141
56	143
57	144
58	145
59	150
60	152
61	153
62	154

n	a(n)
1	1
2	12
3	15
4	24
5	28
6	30
7	33
8	35
9	36
10	40
11	44
12	45
13	48
14	51
15	56
16	60
17	63
18	65
19	66
20	69
21	70
22	72
23	75
24	76
25	77
26	80
27	84
28	85
29	87
30	88
31	90
32	91
33	92
34	95
35	96
36	99
37	102
38	104
39	105
40	108
41	112
42	115
43	117
44	119
45	120
46	123
47	124
48	126
49	130
50	132
51	133
52	135
53	138
54	140
55	141
56	143
57	144
58	145
59	150
60	152
61	153
62	154

n	a(n)
1	1
2	12
3	15
4	24
5	28
6	30
7	33
8	35
9	36
10	40
11	44
12	45
13	48
14	51
15	56
16	60
17	63
18	65
19	66
20	69
21	70
22	72
23	75
24	76
25	77
26	80
27	84
28	85
29	87
30	88
31	90
32	91
33	92
34	95
35	96
36	99
37	102
38	104
39	105
40	108
41	112
42	115
43	117
44	119
45	120
46	123
47	124
48	126
49	130
50	132
51	133
52	135
53	138
54	140
55	141
56	143
57	144
58	145
59	150
60	152
61	153
62	154