A356319 - cp's OEIS frontend

A356319 Numbers k such that {the least j >= k for which k and A276086(k+j) are coprime} is larger than 0, but less than k, 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	50
11	51
12	55
13	57
14	69
15	75
16	80
17	81
18	85
19	87
20	93
21	99
22	100
23	110
24	111
25	112
26	115
27	117
28	119
29	123
30	126
31	129
32	130
33	133
34	135
35	140
36	141
37	145
38	147
39	153
40	159
41	160
42	161
43	165
44	168
45	170
46	171
47	175
48	177
49	182
50	183
51	189
52	190
53	195
54	196
55	200
56	201
57	203
58	205
59	207
60	213
61	219
62	225
63	230
64	235
65	237
66	243
67	245
68	249

[9, 20, 21, 25, 27, 33, 39, 40, 45, 50, 51, 55, 57, 69, 75, 80, 81, 85, 87, 93, 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, 225, 230, 235, 237, 243, 245, 249]

cp's OEIS Frontend

A356319 Numbers k such that {the least j >= k for which k and A276086(k+j) are coprime} is larger than 0, but less than k, 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	50
11	51
12	55
13	57
14	69
15	75
16	80
17	81
18	85
19	87
20	93
21	99
22	100
23	110
24	111
25	112
26	115
27	117
28	119
29	123
30	126
31	129
32	130
33	133
34	135
35	140
36	141
37	145
38	147
39	153
40	159
41	160
42	161
43	165
44	168
45	170
46	171
47	175
48	177
49	182
50	183
51	189
52	190
53	195
54	196
55	200
56	201
57	203
58	205
59	207
60	213
61	219
62	225
63	230
64	235
65	237
66	243
67	245
68	249

n	a(n)
1	9
2	20
3	21
4	25
5	27
6	33
7	39
8	40
9	45
10	50
11	51
12	55
13	57
14	69
15	75
16	80
17	81
18	85
19	87
20	93
21	99
22	100
23	110
24	111
25	112
26	115
27	117
28	119
29	123
30	126
31	129
32	130
33	133
34	135
35	140
36	141
37	145
38	147
39	153
40	159
41	160
42	161
43	165
44	168
45	170
46	171
47	175
48	177
49	182
50	183
51	189
52	190
53	195
54	196
55	200
56	201
57	203
58	205
59	207
60	213
61	219
62	225
63	230
64	235
65	237
66	243
67	245
68	249

n	a(n)
1	9
2	20
3	21
4	25
5	27
6	33
7	39
8	40
9	45
10	50
11	51
12	55
13	57
14	69
15	75
16	80
17	81
18	85
19	87
20	93
21	99
22	100
23	110
24	111
25	112
26	115
27	117
28	119
29	123
30	126
31	129
32	130
33	133
34	135
35	140
36	141
37	145
38	147
39	153
40	159
41	160
42	161
43	165
44	168
45	170
46	171
47	175
48	177
49	182
50	183
51	189
52	190
53	195
54	196
55	200
56	201
57	203
58	205
59	207
60	213
61	219
62	225
63	230
64	235
65	237
66	243
67	245
68	249