A353758 - cp's OEIS frontend

A353758 Numbers k for which A353749(k) > A353749(sigma(k)), where A353749(k) = phi(k) * A064989(k), and A064989 shifts the prime factorization one step towards lower primes.

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	14
7	15
8	17
9	19
10	21
11	22
12	23
13	26
14	27
15	29
16	31
17	33
18	34
19	35
20	37
21	38
22	39
23	41
24	42
25	43
26	46
27	47
28	51
29	53
30	55
31	57
32	58
33	59
34	61
35	62
36	63
37	65
38	66
39	67
40	69
41	70
42	71
43	73
44	77
45	78
46	79
47	82
48	83
49	85
50	86
51	87
52	89
53	91
54	92
55	93
56	94
57	95
58	97
59	99
60	101
61	102
62	103
63	105
64	106
65	107
66	109
67	110
68	111
69	113
70	114
71	115
72	118
73	119
74	122
75	123
76	124

[3, 5, 7, 11, 13, 14, 15, 17, 19, 21, 22, 23, 26, 27, 29, 31, 33, 34, 35, 37, 38, 39, 41, 42, 43, 46, 47, 51, 53, 55, 57, 58, 59, 61, 62, 63, 65, 66, 67, 69, 70, 71, 73, 77, 78, 79, 82, 83, 85, 86, 87, 89, 91, 92, 93, 94, 95, 97, 99, 101, 102, 103, 105, 106, 107, 109, 110, 111, 113, 114, 115, 118, 119, 122, 123, 124]

cp's OEIS Frontend

A353758 Numbers k for which A353749(k) > A353749(sigma(k)), where A353749(k) = phi(k) * A064989(k), and A064989 shifts the prime factorization one step towards lower primes.

Table of values

List of values

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	14
7	15
8	17
9	19
10	21
11	22
12	23
13	26
14	27
15	29
16	31
17	33
18	34
19	35
20	37
21	38
22	39
23	41
24	42
25	43
26	46
27	47
28	51
29	53
30	55
31	57
32	58
33	59
34	61
35	62
36	63
37	65
38	66
39	67
40	69
41	70
42	71
43	73
44	77
45	78
46	79
47	82
48	83
49	85
50	86
51	87
52	89
53	91
54	92
55	93
56	94
57	95
58	97
59	99
60	101
61	102
62	103
63	105
64	106
65	107
66	109
67	110
68	111
69	113
70	114
71	115
72	118
73	119
74	122
75	123
76	124

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	14
7	15
8	17
9	19
10	21
11	22
12	23
13	26
14	27
15	29
16	31
17	33
18	34
19	35
20	37
21	38
22	39
23	41
24	42
25	43
26	46
27	47
28	51
29	53
30	55
31	57
32	58
33	59
34	61
35	62
36	63
37	65
38	66
39	67
40	69
41	70
42	71
43	73
44	77
45	78
46	79
47	82
48	83
49	85
50	86
51	87
52	89
53	91
54	92
55	93
56	94
57	95
58	97
59	99
60	101
61	102
62	103
63	105
64	106
65	107
66	109
67	110
68	111
69	113
70	114
71	115
72	118
73	119
74	122
75	123
76	124

n	a(n)
1	3
2	5
3	7
4	11
5	13
6	14
7	15
8	17
9	19
10	21
11	22
12	23
13	26
14	27
15	29
16	31
17	33
18	34
19	35
20	37
21	38
22	39
23	41
24	42
25	43
26	46
27	47
28	51
29	53
30	55
31	57
32	58
33	59
34	61
35	62
36	63
37	65
38	66
39	67
40	69
41	70
42	71
43	73
44	77
45	78
46	79
47	82
48	83
49	85
50	86
51	87
52	89
53	91
54	92
55	93
56	94
57	95
58	97
59	99
60	101
61	102
62	103
63	105
64	106
65	107
66	109
67	110
68	111
69	113
70	114
71	115
72	118
73	119
74	122
75	123
76	124