A369962 - cp's OEIS frontend

A369962 Numbers k for which gcd(k, A003415(k)) is equal to gcd(k, A276086(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.

n	a(n)
1	1
2	2
3	5
4	6
5	7
6	9
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	41
22	43
23	46
24	47
25	49
26	53
27	58
28	59
29	61
30	62
31	65
32	66
33	67
34	71
35	73
36	74
37	78
38	79
39	82
40	83
41	86
42	89
43	94
44	95
45	97
46	99
47	101
48	102
49	103
50	106
51	107
52	109
53	113
54	114
55	117
56	118
57	122
58	127
59	131
60	134
61	137
62	138
63	139
64	142
65	143
66	146
67	149
68	151
69	153
70	155
71	157
72	158
73	163
74	166

[1, 2, 5, 6, 7, 9, 11, 13, 14, 17, 19, 22, 23, 26, 29, 30, 31, 34, 37, 38, 41, 43, 46, 47, 49, 53, 58, 59, 61, 62, 65, 66, 67, 71, 73, 74, 78, 79, 82, 83, 86, 89, 94, 95, 97, 99, 101, 102, 103, 106, 107, 109, 113, 114, 117, 118, 122, 127, 131, 134, 137, 138, 139, 142, 143, 146, 149, 151, 153, 155, 157, 158, 163, 166]

cp's OEIS Frontend

A369962 Numbers k for which gcd(k, A003415(k)) is equal to gcd(k, A276086(k)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	6
5	7
6	9
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	41
22	43
23	46
24	47
25	49
26	53
27	58
28	59
29	61
30	62
31	65
32	66
33	67
34	71
35	73
36	74
37	78
38	79
39	82
40	83
41	86
42	89
43	94
44	95
45	97
46	99
47	101
48	102
49	103
50	106
51	107
52	109
53	113
54	114
55	117
56	118
57	122
58	127
59	131
60	134
61	137
62	138
63	139
64	142
65	143
66	146
67	149
68	151
69	153
70	155
71	157
72	158
73	163
74	166

n	a(n)
1	1
2	2
3	5
4	6
5	7
6	9
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	41
22	43
23	46
24	47
25	49
26	53
27	58
28	59
29	61
30	62
31	65
32	66
33	67
34	71
35	73
36	74
37	78
38	79
39	82
40	83
41	86
42	89
43	94
44	95
45	97
46	99
47	101
48	102
49	103
50	106
51	107
52	109
53	113
54	114
55	117
56	118
57	122
58	127
59	131
60	134
61	137
62	138
63	139
64	142
65	143
66	146
67	149
68	151
69	153
70	155
71	157
72	158
73	163
74	166

n	a(n)
1	1
2	2
3	5
4	6
5	7
6	9
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	41
22	43
23	46
24	47
25	49
26	53
27	58
28	59
29	61
30	62
31	65
32	66
33	67
34	71
35	73
36	74
37	78
38	79
39	82
40	83
41	86
42	89
43	94
44	95
45	97
46	99
47	101
48	102
49	103
50	106
51	107
52	109
53	113
54	114
55	117
56	118
57	122
58	127
59	131
60	134
61	137
62	138
63	139
64	142
65	143
66	146
67	149
68	151
69	153
70	155
71	157
72	158
73	163
74	166