A374042 - cp's OEIS frontend

A374042 Numbers k such that A276085(k) and A328768(k) are both multiples of 3, where A276085 is the primorial base log-function, and A328768 is the first primorial based variant of arithmetic derivative.

n	a(n)
1	1
2	5
3	7
4	8
5	11
6	13
7	17
8	19
9	23
10	25
11	27
12	29
13	31
14	35
15	36
16	37
17	40
18	41
19	43
20	47
21	49
22	53
23	55
24	56
25	59
26	61
27	64
28	65
29	67
30	71
31	73
32	77
33	79
34	83
35	85
36	88
37	89
38	91
39	95
40	97
41	101
42	103
43	104
44	107
45	109
46	113
47	115
48	119
49	121
50	125
51	127
52	131
53	133
54	135
55	136
56	137
57	139
58	143
59	145
60	149
61	151
62	152
63	155
64	157
65	161
66	162
67	163
68	167
69	169
70	173
71	175
72	179

[1, 5, 7, 8, 11, 13, 17, 19, 23, 25, 27, 29, 31, 35, 36, 37, 40, 41, 43, 47, 49, 53, 55, 56, 59, 61, 64, 65, 67, 71, 73, 77, 79, 83, 85, 88, 89, 91, 95, 97, 101, 103, 104, 107, 109, 113, 115, 119, 121, 125, 127, 131, 133, 135, 136, 137, 139, 143, 145, 149, 151, 152, 155, 157, 161, 162, 163, 167, 169, 173, 175, 179]

cp's OEIS Frontend

A374042 Numbers k such that A276085(k) and A328768(k) are both multiples of 3, where A276085 is the primorial base log-function, and A328768 is the first primorial based variant of arithmetic derivative.

Table of values

List of values

n	a(n)
1	1
2	5
3	7
4	8
5	11
6	13
7	17
8	19
9	23
10	25
11	27
12	29
13	31
14	35
15	36
16	37
17	40
18	41
19	43
20	47
21	49
22	53
23	55
24	56
25	59
26	61
27	64
28	65
29	67
30	71
31	73
32	77
33	79
34	83
35	85
36	88
37	89
38	91
39	95
40	97
41	101
42	103
43	104
44	107
45	109
46	113
47	115
48	119
49	121
50	125
51	127
52	131
53	133
54	135
55	136
56	137
57	139
58	143
59	145
60	149
61	151
62	152
63	155
64	157
65	161
66	162
67	163
68	167
69	169
70	173
71	175
72	179

n	a(n)
1	1
2	5
3	7
4	8
5	11
6	13
7	17
8	19
9	23
10	25
11	27
12	29
13	31
14	35
15	36
16	37
17	40
18	41
19	43
20	47
21	49
22	53
23	55
24	56
25	59
26	61
27	64
28	65
29	67
30	71
31	73
32	77
33	79
34	83
35	85
36	88
37	89
38	91
39	95
40	97
41	101
42	103
43	104
44	107
45	109
46	113
47	115
48	119
49	121
50	125
51	127
52	131
53	133
54	135
55	136
56	137
57	139
58	143
59	145
60	149
61	151
62	152
63	155
64	157
65	161
66	162
67	163
68	167
69	169
70	173
71	175
72	179

n	a(n)
1	1
2	5
3	7
4	8
5	11
6	13
7	17
8	19
9	23
10	25
11	27
12	29
13	31
14	35
15	36
16	37
17	40
18	41
19	43
20	47
21	49
22	53
23	55
24	56
25	59
26	61
27	64
28	65
29	67
30	71
31	73
32	77
33	79
34	83
35	85
36	88
37	89
38	91
39	95
40	97
41	101
42	103
43	104
44	107
45	109
46	113
47	115
48	119
49	121
50	125
51	127
52	131
53	133
54	135
55	136
56	137
57	139
58	143
59	145
60	149
61	151
62	152
63	155
64	157
65	161
66	162
67	163
68	167
69	169
70	173
71	175
72	179