A377989 - cp's OEIS frontend

A377989 Numbers k such that A003415(A276085(k)) has no p^p-factors, where A003415 is the arithmetic derivative, and A276085 is fully additive with a(p) = p#/p.

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	10
8	11
9	13
10	14
11	17
12	18
13	19
14	22
15	23
16	24
17	26
18	27
19	29
20	30
21	31
22	32
23	36
24	37
25	38
26	40
27	41
28	42
29	43
30	45
31	47
32	48
33	50
34	53
35	54
36	56
37	59
38	60
39	61
40	63
41	64
42	66
43	67
44	70
45	71
46	72
47	73
48	74
49	75
50	78
51	79
52	80
53	82
54	83
55	84
56	86
57	88
58	89
59	90
60	96
61	97
62	98
63	99
64	100
65	101
66	103
67	104
68	105
69	106
70	107
71	109
72	110
73	112
74	113
75	114
76	117
77	118
78	120

[3, 4, 5, 6, 7, 8, 10, 11, 13, 14, 17, 18, 19, 22, 23, 24, 26, 27, 29, 30, 31, 32, 36, 37, 38, 40, 41, 42, 43, 45, 47, 48, 50, 53, 54, 56, 59, 60, 61, 63, 64, 66, 67, 70, 71, 72, 73, 74, 75, 78, 79, 80, 82, 83, 84, 86, 88, 89, 90, 96, 97, 98, 99, 100, 101, 103, 104, 105, 106, 107, 109, 110, 112, 113, 114, 117, 118, 120]

cp's OEIS Frontend

A377989 Numbers k such that A003415(A276085(k)) has no p^p-factors, where A003415 is the arithmetic derivative, and A276085 is fully additive with a(p) = p#/p.

Table of values

List of values

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	10
8	11
9	13
10	14
11	17
12	18
13	19
14	22
15	23
16	24
17	26
18	27
19	29
20	30
21	31
22	32
23	36
24	37
25	38
26	40
27	41
28	42
29	43
30	45
31	47
32	48
33	50
34	53
35	54
36	56
37	59
38	60
39	61
40	63
41	64
42	66
43	67
44	70
45	71
46	72
47	73
48	74
49	75
50	78
51	79
52	80
53	82
54	83
55	84
56	86
57	88
58	89
59	90
60	96
61	97
62	98
63	99
64	100
65	101
66	103
67	104
68	105
69	106
70	107
71	109
72	110
73	112
74	113
75	114
76	117
77	118
78	120

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	10
8	11
9	13
10	14
11	17
12	18
13	19
14	22
15	23
16	24
17	26
18	27
19	29
20	30
21	31
22	32
23	36
24	37
25	38
26	40
27	41
28	42
29	43
30	45
31	47
32	48
33	50
34	53
35	54
36	56
37	59
38	60
39	61
40	63
41	64
42	66
43	67
44	70
45	71
46	72
47	73
48	74
49	75
50	78
51	79
52	80
53	82
54	83
55	84
56	86
57	88
58	89
59	90
60	96
61	97
62	98
63	99
64	100
65	101
66	103
67	104
68	105
69	106
70	107
71	109
72	110
73	112
74	113
75	114
76	117
77	118
78	120

n	a(n)
1	3
2	4
3	5
4	6
5	7
6	8
7	10
8	11
9	13
10	14
11	17
12	18
13	19
14	22
15	23
16	24
17	26
18	27
19	29
20	30
21	31
22	32
23	36
24	37
25	38
26	40
27	41
28	42
29	43
30	45
31	47
32	48
33	50
34	53
35	54
36	56
37	59
38	60
39	61
40	63
41	64
42	66
43	67
44	70
45	71
46	72
47	73
48	74
49	75
50	78
51	79
52	80
53	82
54	83
55	84
56	86
57	88
58	89
59	90
60	96
61	97
62	98
63	99
64	100
65	101
66	103
67	104
68	105
69	106
70	107
71	109
72	110
73	112
74	113
75	114
76	117
77	118
78	120