A013590 - cp's OEIS frontend

A013590 Numbers k such that Phi(k,x) is a cyclotomic polynomial containing a coefficient with an absolute value greater than one.

n	a(n)
1	105
2	165
3	195
4	210
5	255
6	273
7	285
8	315
9	330
10	345
11	357
12	385
13	390
14	420
15	429
16	455
17	495
18	510
19	525
20	546
21	555
22	561
23	570
24	585
25	595
26	609
27	615
28	627
29	630
30	645
31	660
32	665
33	690
34	705
35	714
36	715
37	735
38	759
39	765
40	770
41	777
42	780
43	795
44	805
45	819
46	825
47	840
48	855

[105, 165, 195, 210, 255, 273, 285, 315, 330, 345, 357, 385, 390, 420, 429, 455, 495, 510, 525, 546, 555, 561, 570, 585, 595, 609, 615, 627, 630, 645, 660, 665, 690, 705, 714, 715, 735, 759, 765, 770, 777, 780, 795, 805, 819, 825, 840, 855]

cp's OEIS Frontend

A013590 Numbers k such that Phi(k,x) is a cyclotomic polynomial containing a coefficient with an absolute value greater than one.

Table of values

List of values

n	a(n)
1	105
2	165
3	195
4	210
5	255
6	273
7	285
8	315
9	330
10	345
11	357
12	385
13	390
14	420
15	429
16	455
17	495
18	510
19	525
20	546
21	555
22	561
23	570
24	585
25	595
26	609
27	615
28	627
29	630
30	645
31	660
32	665
33	690
34	705
35	714
36	715
37	735
38	759
39	765
40	770
41	777
42	780
43	795
44	805
45	819
46	825
47	840
48	855

n	a(n)
1	105
2	165
3	195
4	210
5	255
6	273
7	285
8	315
9	330
10	345
11	357
12	385
13	390
14	420
15	429
16	455
17	495
18	510
19	525
20	546
21	555
22	561
23	570
24	585
25	595
26	609
27	615
28	627
29	630
30	645
31	660
32	665
33	690
34	705
35	714
36	715
37	735
38	759
39	765
40	770
41	777
42	780
43	795
44	805
45	819
46	825
47	840
48	855

n	a(n)
1	105
2	165
3	195
4	210
5	255
6	273
7	285
8	315
9	330
10	345
11	357
12	385
13	390
14	420
15	429
16	455
17	495
18	510
19	525
20	546
21	555
22	561
23	570
24	585
25	595
26	609
27	615
28	627
29	630
30	645
31	660
32	665
33	690
34	705
35	714
36	715
37	735
38	759
39	765
40	770
41	777
42	780
43	795
44	805
45	819
46	825
47	840
48	855