A231371 - cp's OEIS frontend

A231371 Squarefree composite numbers k such that 8 is a primitive root for all prime factors of k.

n	a(n)
1	15
2	33
3	55
4	87
5	145
6	159
7	165
8	177
9	249
10	265
11	295
12	303
13	319
14	321
15	393
16	415
17	435
18	447
19	505
20	519
21	535
22	537
23	583
24	591
25	649
26	655
27	681
28	745
29	795
30	807
31	865
32	879
33	885
34	895
35	913
36	951
37	957
38	985
39	1041
40	1111
41	1135
42	1167
43	1177
44	1245
45	1257
46	1329
47	1345
48	1383
49	1401
50	1441

[15, 33, 55, 87, 145, 159, 165, 177, 249, 265, 295, 303, 319, 321, 393, 415, 435, 447, 505, 519, 535, 537, 583, 591, 649, 655, 681, 745, 795, 807, 865, 879, 885, 895, 913, 951, 957, 985, 1041, 1111, 1135, 1167, 1177, 1245, 1257, 1329, 1345, 1383, 1401, 1441]

cp's OEIS Frontend

A231371 Squarefree composite numbers k such that 8 is a primitive root for all prime factors of k.

Table of values

List of values