A239433 - cp's OEIS frontend

A239433 Numbers m with at least one integer solution for x' = m, where x' is the arithmetic derivative of x (cf. A003415).

n	a(n)
1	4
2	5
3	6
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	18
14	19
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	48
39	49
40	50
41	51
42	52
43	54
44	55
45	56
46	58
47	59
48	60
49	61
50	62
51	63
52	64
53	66
54	68
55	69
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	78
65	80
66	81

[4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 58, 59, 60, 61, 62, 63, 64, 66, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 80, 81]

cp's OEIS Frontend

A239433 Numbers m with at least one integer solution for x' = m, where x' is the arithmetic derivative of x (cf. A003415).

Table of values

List of values

n	a(n)
1	4
2	5
3	6
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	18
14	19
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	48
39	49
40	50
41	51
42	52
43	54
44	55
45	56
46	58
47	59
48	60
49	61
50	62
51	63
52	64
53	66
54	68
55	69
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	78
65	80
66	81

n	a(n)
1	4
2	5
3	6
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	18
14	19
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	48
39	49
40	50
41	51
42	52
43	54
44	55
45	56
46	58
47	59
48	60
49	61
50	62
51	63
52	64
53	66
54	68
55	69
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	78
65	80
66	81

n	a(n)
1	4
2	5
3	6
4	7
5	8
6	9
7	10
8	12
9	13
10	14
11	15
12	16
13	18
14	19
15	20
16	21
17	22
18	24
19	25
20	26
21	27
22	28
23	30
24	31
25	32
26	33
27	34
28	36
29	38
30	39
31	40
32	41
33	42
34	43
35	44
36	45
37	46
38	48
39	49
40	50
41	51
42	52
43	54
44	55
45	56
46	58
47	59
48	60
49	61
50	62
51	63
52	64
53	66
54	68
55	69
56	70
57	71
58	72
59	73
60	74
61	75
62	76
63	77
64	78
65	80
66	81