A356317 - cp's OEIS frontend

A356317 Numbers k such that k does not divide the least j >= k for which k and A276086(j) are coprime, where A276086 is the primorial base exp-function.

n	a(n)
1	9
2	20
3	21
4	25
5	27
6	33
7	39
8	40
9	45
10	49
11	50
12	51
13	55
14	56
15	57
16	63
17	69
18	75
19	80
20	81
21	84
22	85
23	87
24	91
25	93
26	98
27	99
28	100
29	110
30	111
31	112
32	115
33	117
34	119
35	123
36	126
37	129
38	130
39	133
40	135
41	140
42	141
43	145
44	147
45	153
46	159
47	160
48	161
49	165
50	168
51	170
52	171
53	175
54	177
55	182
56	183
57	189
58	190
59	195
60	196
61	200
62	201
63	203
64	205
65	207
66	213
67	219
68	220
69	225

[9, 20, 21, 25, 27, 33, 39, 40, 45, 49, 50, 51, 55, 56, 57, 63, 69, 75, 80, 81, 84, 85, 87, 91, 93, 98, 99, 100, 110, 111, 112, 115, 117, 119, 123, 126, 129, 130, 133, 135, 140, 141, 145, 147, 153, 159, 160, 161, 165, 168, 170, 171, 175, 177, 182, 183, 189, 190, 195, 196, 200, 201, 203, 205, 207, 213, 219, 220, 225]

cp's OEIS Frontend

A356317 Numbers k such that k does not divide the least j >= k for which k and A276086(j) are coprime, where A276086 is the primorial base exp-function.

Table of values

List of values

n	a(n)
1	9
2	20
3	21
4	25
5	27
6	33
7	39
8	40
9	45
10	49
11	50
12	51
13	55
14	56
15	57
16	63
17	69
18	75
19	80
20	81
21	84
22	85
23	87
24	91
25	93
26	98
27	99
28	100
29	110
30	111
31	112
32	115
33	117
34	119
35	123
36	126
37	129
38	130
39	133
40	135
41	140
42	141
43	145
44	147
45	153
46	159
47	160
48	161
49	165
50	168
51	170
52	171
53	175
54	177
55	182
56	183
57	189
58	190
59	195
60	196
61	200
62	201
63	203
64	205
65	207
66	213
67	219
68	220
69	225

n	a(n)
1	9
2	20
3	21
4	25
5	27
6	33
7	39
8	40
9	45
10	49
11	50
12	51
13	55
14	56
15	57
16	63
17	69
18	75
19	80
20	81
21	84
22	85
23	87
24	91
25	93
26	98
27	99
28	100
29	110
30	111
31	112
32	115
33	117
34	119
35	123
36	126
37	129
38	130
39	133
40	135
41	140
42	141
43	145
44	147
45	153
46	159
47	160
48	161
49	165
50	168
51	170
52	171
53	175
54	177
55	182
56	183
57	189
58	190
59	195
60	196
61	200
62	201
63	203
64	205
65	207
66	213
67	219
68	220
69	225

n	a(n)
1	9
2	20
3	21
4	25
5	27
6	33
7	39
8	40
9	45
10	49
11	50
12	51
13	55
14	56
15	57
16	63
17	69
18	75
19	80
20	81
21	84
22	85
23	87
24	91
25	93
26	98
27	99
28	100
29	110
30	111
31	112
32	115
33	117
34	119
35	123
36	126
37	129
38	130
39	133
40	135
41	140
42	141
43	145
44	147
45	153
46	159
47	160
48	161
49	165
50	168
51	170
52	171
53	175
54	177
55	182
56	183
57	189
58	190
59	195
60	196
61	200
62	201
63	203
64	205
65	207
66	213
67	219
68	220
69	225