A328393 - cp's OEIS frontend

A328393 Numbers whose arithmetic derivative (A003415) is a squarefree number (A005117).

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	9
7	10
8	11
9	13
10	17
11	18
12	19
13	21
14	22
15	23
16	25
17	26
18	29
19	30
20	31
21	33
22	34
23	37
24	38
25	41
26	42
27	43
28	45
29	47
30	49
31	53
32	57
33	58
34	59
35	61
36	62
37	63
38	66
39	67
40	69
41	70
42	71
43	73
44	74
45	75
46	78
47	79
48	82
49	83
50	85
51	89
52	90
53	93
54	97
55	98
56	101
57	102
58	103
59	105
60	106
61	107
62	109
63	110
64	113
65	114
66	117
67	118
68	121
69	126
70	127
71	129
72	130
73	131
74	133
75	134
76	137
77	139
78	142

[2, 3, 5, 6, 7, 9, 10, 11, 13, 17, 18, 19, 21, 22, 23, 25, 26, 29, 30, 31, 33, 34, 37, 38, 41, 42, 43, 45, 47, 49, 53, 57, 58, 59, 61, 62, 63, 66, 67, 69, 70, 71, 73, 74, 75, 78, 79, 82, 83, 85, 89, 90, 93, 97, 98, 101, 102, 103, 105, 106, 107, 109, 110, 113, 114, 117, 118, 121, 126, 127, 129, 130, 131, 133, 134, 137, 139, 142]

cp's OEIS Frontend

A328393 Numbers whose arithmetic derivative (A003415) is a squarefree number (A005117).

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	9
7	10
8	11
9	13
10	17
11	18
12	19
13	21
14	22
15	23
16	25
17	26
18	29
19	30
20	31
21	33
22	34
23	37
24	38
25	41
26	42
27	43
28	45
29	47
30	49
31	53
32	57
33	58
34	59
35	61
36	62
37	63
38	66
39	67
40	69
41	70
42	71
43	73
44	74
45	75
46	78
47	79
48	82
49	83
50	85
51	89
52	90
53	93
54	97
55	98
56	101
57	102
58	103
59	105
60	106
61	107
62	109
63	110
64	113
65	114
66	117
67	118
68	121
69	126
70	127
71	129
72	130
73	131
74	133
75	134
76	137
77	139
78	142

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	9
7	10
8	11
9	13
10	17
11	18
12	19
13	21
14	22
15	23
16	25
17	26
18	29
19	30
20	31
21	33
22	34
23	37
24	38
25	41
26	42
27	43
28	45
29	47
30	49
31	53
32	57
33	58
34	59
35	61
36	62
37	63
38	66
39	67
40	69
41	70
42	71
43	73
44	74
45	75
46	78
47	79
48	82
49	83
50	85
51	89
52	90
53	93
54	97
55	98
56	101
57	102
58	103
59	105
60	106
61	107
62	109
63	110
64	113
65	114
66	117
67	118
68	121
69	126
70	127
71	129
72	130
73	131
74	133
75	134
76	137
77	139
78	142

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	9
7	10
8	11
9	13
10	17
11	18
12	19
13	21
14	22
15	23
16	25
17	26
18	29
19	30
20	31
21	33
22	34
23	37
24	38
25	41
26	42
27	43
28	45
29	47
30	49
31	53
32	57
33	58
34	59
35	61
36	62
37	63
38	66
39	67
40	69
41	70
42	71
43	73
44	74
45	75
46	78
47	79
48	82
49	83
50	85
51	89
52	90
53	93
54	97
55	98
56	101
57	102
58	103
59	105
60	106
61	107
62	109
63	110
64	113
65	114
66	117
67	118
68	121
69	126
70	127
71	129
72	130
73	131
74	133
75	134
76	137
77	139
78	142