A373482 - cp's OEIS frontend

A373482 Numbers k for which A003415(k) is a multiple of A001414(k), where A003415 is the arithmetic derivative, and A001414 is the sum of prime factors with multiplicity.

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	14
8	15
9	16
10	21
11	22
12	25
13	26
14	27
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	46
23	49
24	51
25	55
26	57
27	58
28	62
29	64
30	65
31	69
32	72
33	74
34	77
35	81
36	82
37	85
38	86
39	87
40	91
41	93
42	94
43	95
44	100
45	106
46	111
47	112
48	115
49	118
50	119
51	121
52	122
53	123
54	125
55	126
56	128
57	129
58	133
59	134
60	141
61	142
62	143
63	145
64	146
65	155
66	156
67	158
68	159
69	161
70	166
71	169
72	177
73	178

[1, 4, 6, 8, 9, 10, 14, 15, 16, 21, 22, 25, 26, 27, 32, 33, 34, 35, 36, 38, 39, 46, 49, 51, 55, 57, 58, 62, 64, 65, 69, 72, 74, 77, 81, 82, 85, 86, 87, 91, 93, 94, 95, 100, 106, 111, 112, 115, 118, 119, 121, 122, 123, 125, 126, 128, 129, 133, 134, 141, 142, 143, 145, 146, 155, 156, 158, 159, 161, 166, 169, 177, 178]

cp's OEIS Frontend

A373482 Numbers k for which A003415(k) is a multiple of A001414(k), where A003415 is the arithmetic derivative, and A001414 is the sum of prime factors with multiplicity.

Table of values

List of values

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	14
8	15
9	16
10	21
11	22
12	25
13	26
14	27
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	46
23	49
24	51
25	55
26	57
27	58
28	62
29	64
30	65
31	69
32	72
33	74
34	77
35	81
36	82
37	85
38	86
39	87
40	91
41	93
42	94
43	95
44	100
45	106
46	111
47	112
48	115
49	118
50	119
51	121
52	122
53	123
54	125
55	126
56	128
57	129
58	133
59	134
60	141
61	142
62	143
63	145
64	146
65	155
66	156
67	158
68	159
69	161
70	166
71	169
72	177
73	178

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	14
8	15
9	16
10	21
11	22
12	25
13	26
14	27
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	46
23	49
24	51
25	55
26	57
27	58
28	62
29	64
30	65
31	69
32	72
33	74
34	77
35	81
36	82
37	85
38	86
39	87
40	91
41	93
42	94
43	95
44	100
45	106
46	111
47	112
48	115
49	118
50	119
51	121
52	122
53	123
54	125
55	126
56	128
57	129
58	133
59	134
60	141
61	142
62	143
63	145
64	146
65	155
66	156
67	158
68	159
69	161
70	166
71	169
72	177
73	178

n	a(n)
1	1
2	4
3	6
4	8
5	9
6	10
7	14
8	15
9	16
10	21
11	22
12	25
13	26
14	27
15	32
16	33
17	34
18	35
19	36
20	38
21	39
22	46
23	49
24	51
25	55
26	57
27	58
28	62
29	64
30	65
31	69
32	72
33	74
34	77
35	81
36	82
37	85
38	86
39	87
40	91
41	93
42	94
43	95
44	100
45	106
46	111
47	112
48	115
49	118
50	119
51	121
52	122
53	123
54	125
55	126
56	128
57	129
58	133
59	134
60	141
61	142
62	143
63	145
64	146
65	155
66	156
67	158
68	159
69	161
70	166
71	169
72	177
73	178