A356312 - cp's OEIS frontend

A356312 Numbers k such that A003415(k) and A276086(k) are not relatively prime, where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function.

n	a(n)
1	1
2	6
3	8
4	9
5	14
6	15
7	20
8	21
9	25
10	26
11	27
12	33
13	35
14	36
15	38
16	39
17	44
18	45
19	46
20	48
21	49
22	50
23	51
24	52
25	55
26	57
27	62
28	63
29	64
30	65
31	68
32	69
33	74
34	75
35	76
36	77
37	81
38	85
39	86
40	87
41	88
42	91
43	92
44	93
45	94
46	95
47	98
48	99
49	100
50	102
51	106
52	110
53	111
54	112
55	115
56	116
57	117
58	119
59	121
60	122
61	123
62	125
63	126
64	128
65	129
66	133
67	134
68	135
69	141
70	143
71	145
72	146
73	147
74	153

[1, 6, 8, 9, 14, 15, 20, 21, 25, 26, 27, 33, 35, 36, 38, 39, 44, 45, 46, 48, 49, 50, 51, 52, 55, 57, 62, 63, 64, 65, 68, 69, 74, 75, 76, 77, 81, 85, 86, 87, 88, 91, 92, 93, 94, 95, 98, 99, 100, 102, 106, 110, 111, 112, 115, 116, 117, 119, 121, 122, 123, 125, 126, 128, 129, 133, 134, 135, 141, 143, 145, 146, 147, 153]

cp's OEIS Frontend

A356312 Numbers k such that A003415(k) and A276086(k) are not relatively prime, 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	6
3	8
4	9
5	14
6	15
7	20
8	21
9	25
10	26
11	27
12	33
13	35
14	36
15	38
16	39
17	44
18	45
19	46
20	48
21	49
22	50
23	51
24	52
25	55
26	57
27	62
28	63
29	64
30	65
31	68
32	69
33	74
34	75
35	76
36	77
37	81
38	85
39	86
40	87
41	88
42	91
43	92
44	93
45	94
46	95
47	98
48	99
49	100
50	102
51	106
52	110
53	111
54	112
55	115
56	116
57	117
58	119
59	121
60	122
61	123
62	125
63	126
64	128
65	129
66	133
67	134
68	135
69	141
70	143
71	145
72	146
73	147
74	153

n	a(n)
1	1
2	6
3	8
4	9
5	14
6	15
7	20
8	21
9	25
10	26
11	27
12	33
13	35
14	36
15	38
16	39
17	44
18	45
19	46
20	48
21	49
22	50
23	51
24	52
25	55
26	57
27	62
28	63
29	64
30	65
31	68
32	69
33	74
34	75
35	76
36	77
37	81
38	85
39	86
40	87
41	88
42	91
43	92
44	93
45	94
46	95
47	98
48	99
49	100
50	102
51	106
52	110
53	111
54	112
55	115
56	116
57	117
58	119
59	121
60	122
61	123
62	125
63	126
64	128
65	129
66	133
67	134
68	135
69	141
70	143
71	145
72	146
73	147
74	153

n	a(n)
1	1
2	6
3	8
4	9
5	14
6	15
7	20
8	21
9	25
10	26
11	27
12	33
13	35
14	36
15	38
16	39
17	44
18	45
19	46
20	48
21	49
22	50
23	51
24	52
25	55
26	57
27	62
28	63
29	64
30	65
31	68
32	69
33	74
34	75
35	76
36	77
37	81
38	85
39	86
40	87
41	88
42	91
43	92
44	93
45	94
46	95
47	98
48	99
49	100
50	102
51	106
52	110
53	111
54	112
55	115
56	116
57	117
58	119
59	121
60	122
61	123
62	125
63	126
64	128
65	129
66	133
67	134
68	135
69	141
70	143
71	145
72	146
73	147
74	153