A351899 - cp's OEIS frontend

A351899 Integers k for which there exist two distinct prime nondivisors p, q < k such that, for all i, j >= 0, p^i*q^j mod k is either 1 or is divisible by p or q.

n	a(n)
1	5
2	10
3	16
4	18
5	19
6	20
7	21
8	22
9	38
10	48
11	50
12	51
13	54
14	60
15	61
16	67
17	75
18	77
19	78
20	80
21	85
22	90
23	91
24	98
25	100
26	108
27	120
28	122
29	126
30	127
31	134
32	147
33	150
34	154
35	160
36	170
37	182
38	189
39	201
40	204
41	210
42	217
43	234
44	234
45	240
46	252
47	254
48	255
49	266
50	268
51	288
52	291
53	294
54	300
55	310
56	320
57	328
58	336
59	340
60	348
61	360
62	362
63	364

[5, 10, 16, 18, 19, 20, 21, 22, 38, 48, 50, 51, 54, 60, 61, 67, 75, 77, 78, 80, 85, 90, 91, 98, 100, 108, 120, 122, 126, 127, 134, 147, 150, 154, 160, 170, 182, 189, 201, 204, 210, 217, 234, 234, 240, 252, 254, 255, 266, 268, 288, 291, 294, 300, 310, 320, 328, 336, 340, 348, 360, 362, 364]

cp's OEIS Frontend

A351899 Integers k for which there exist two distinct prime nondivisors p, q < k such that, for all i, j >= 0, p^i*q^j mod k is either 1 or is divisible by p or q.

Table of values

List of values

n	a(n)
1	5
2	10
3	16
4	18
5	19
6	20
7	21
8	22
9	38
10	48
11	50
12	51
13	54
14	60
15	61
16	67
17	75
18	77
19	78
20	80
21	85
22	90
23	91
24	98
25	100
26	108
27	120
28	122
29	126
30	127
31	134
32	147
33	150
34	154
35	160
36	170
37	182
38	189
39	201
40	204
41	210
42	217
43	234
44	234
45	240
46	252
47	254
48	255
49	266
50	268
51	288
52	291
53	294
54	300
55	310
56	320
57	328
58	336
59	340
60	348
61	360
62	362
63	364

n	a(n)
1	5
2	10
3	16
4	18
5	19
6	20
7	21
8	22
9	38
10	48
11	50
12	51
13	54
14	60
15	61
16	67
17	75
18	77
19	78
20	80
21	85
22	90
23	91
24	98
25	100
26	108
27	120
28	122
29	126
30	127
31	134
32	147
33	150
34	154
35	160
36	170
37	182
38	189
39	201
40	204
41	210
42	217
43	234
44	234
45	240
46	252
47	254
48	255
49	266
50	268
51	288
52	291
53	294
54	300
55	310
56	320
57	328
58	336
59	340
60	348
61	360
62	362
63	364

n	a(n)
1	5
2	10
3	16
4	18
5	19
6	20
7	21
8	22
9	38
10	48
11	50
12	51
13	54
14	60
15	61
16	67
17	75
18	77
19	78
20	80
21	85
22	90
23	91
24	98
25	100
26	108
27	120
28	122
29	126
30	127
31	134
32	147
33	150
34	154
35	160
36	170
37	182
38	189
39	201
40	204
41	210
42	217
43	234
44	234
45	240
46	252
47	254
48	255
49	266
50	268
51	288
52	291
53	294
54	300
55	310
56	320
57	328
58	336
59	340
60	348
61	360
62	362
63	364