A373487 - cp's OEIS frontend

A373487 Numbers k such that A276085(k) is a multiple of A003415(k), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	10
7	11
8	13
9	15
10	17
11	19
12	23
13	28
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	53
22	59
23	61
24	67
25	71
26	73
27	79
28	83
29	89
30	91
31	97
32	101
33	103
34	107
35	109
36	113
37	127
38	131
39	137
40	139
41	143
42	149
43	151
44	155
45	157
46	161
47	163
48	167
49	173
50	179
51	181
52	187
53	191
54	193
55	197
56	199
57	203
58	209
59	211
60	215
61	221
62	223
63	227
64	229
65	233
66	239
67	241
68	251
69	257
70	263

[1, 2, 3, 5, 7, 10, 11, 13, 15, 17, 19, 23, 28, 29, 31, 35, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 91, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 143, 149, 151, 155, 157, 161, 163, 167, 173, 179, 181, 187, 191, 193, 197, 199, 203, 209, 211, 215, 221, 223, 227, 229, 233, 239, 241, 251, 257, 263]

cp's OEIS Frontend

A373487 Numbers k such that A276085(k) is a multiple of A003415(k), where A003415 is the arithmetic derivative and A276085 is the primorial base log-function.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	10
7	11
8	13
9	15
10	17
11	19
12	23
13	28
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	53
22	59
23	61
24	67
25	71
26	73
27	79
28	83
29	89
30	91
31	97
32	101
33	103
34	107
35	109
36	113
37	127
38	131
39	137
40	139
41	143
42	149
43	151
44	155
45	157
46	161
47	163
48	167
49	173
50	179
51	181
52	187
53	191
54	193
55	197
56	199
57	203
58	209
59	211
60	215
61	221
62	223
63	227
64	229
65	233
66	239
67	241
68	251
69	257
70	263

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	10
7	11
8	13
9	15
10	17
11	19
12	23
13	28
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	53
22	59
23	61
24	67
25	71
26	73
27	79
28	83
29	89
30	91
31	97
32	101
33	103
34	107
35	109
36	113
37	127
38	131
39	137
40	139
41	143
42	149
43	151
44	155
45	157
46	161
47	163
48	167
49	173
50	179
51	181
52	187
53	191
54	193
55	197
56	199
57	203
58	209
59	211
60	215
61	221
62	223
63	227
64	229
65	233
66	239
67	241
68	251
69	257
70	263

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	10
7	11
8	13
9	15
10	17
11	19
12	23
13	28
14	29
15	31
16	35
17	37
18	41
19	43
20	47
21	53
22	59
23	61
24	67
25	71
26	73
27	79
28	83
29	89
30	91
31	97
32	101
33	103
34	107
35	109
36	113
37	127
38	131
39	137
40	139
41	143
42	149
43	151
44	155
45	157
46	161
47	163
48	167
49	173
50	179
51	181
52	187
53	191
54	193
55	197
56	199
57	203
58	209
59	211
60	215
61	221
62	223
63	227
64	229
65	233
66	239
67	241
68	251
69	257
70	263