A093109 - cp's OEIS frontend

A093109 Numbers n such that the Zsigmondy number Zs(n,5,1) differs from the n-th cyclotomic polynomial evaluated at 5.

n	a(n)
1	2
2	4
3	6
4	8
5	16
6	18
7	32
8	42
9	52
10	54
11	55
12	64
13	93
14	128
15	162
16	171
17	256
18	272
19	294
20	355
21	406
22	486
23	506
24	512
25	605
26	676
27	820
28	1024
29	1332
30	1458
31	1474
32	1711
33	1806
34	1830
35	2048
36	2058
37	2162
38	2504
39	2525
40	2715
41	2756
42	2883
43	2943
44	3081
45	3249
46	3629
47	3916
48	4096
49	4374
50	4624
51	5210

[2, 4, 6, 8, 16, 18, 32, 42, 52, 54, 55, 64, 93, 128, 162, 171, 256, 272, 294, 355, 406, 486, 506, 512, 605, 676, 820, 1024, 1332, 1458, 1474, 1711, 1806, 1830, 2048, 2058, 2162, 2504, 2525, 2715, 2756, 2883, 2943, 3081, 3249, 3629, 3916, 4096, 4374, 4624, 5210]

cp's OEIS Frontend

A093109 Numbers n such that the Zsigmondy number Zs(n,5,1) differs from the n-th cyclotomic polynomial evaluated at 5.

Table of values

List of values