A387710 - cp's OEIS frontend

A387710 Numbers k for which A003959(k) < 2*k, where A003959 is multiplicative with a(p^e) = (p+1)^e.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	10
8	11
9	13
10	14
11	15
12	17
13	19
14	21
15	22
16	23
17	25
18	26
19	29
20	31
21	33
22	34
23	35
24	37
25	38
26	39
27	41
28	43
29	46
30	47
31	49
32	51
33	53
34	55
35	57
36	58
37	59
38	61
39	62
40	65
41	67
42	69
43	71
44	73
45	74
46	75
47	77
48	79
49	82
50	83
51	85
52	86
53	87
54	89
55	91
56	93
57	94
58	95
59	97
60	98
61	99
62	101
63	103
64	105
65	106
66	107
67	109
68	110
69	111
70	113
71	115
72	117
73	118
74	119
75	121
76	122
77	123
78	125

[1, 2, 3, 5, 7, 9, 10, 11, 13, 14, 15, 17, 19, 21, 22, 23, 25, 26, 29, 31, 33, 34, 35, 37, 38, 39, 41, 43, 46, 47, 49, 51, 53, 55, 57, 58, 59, 61, 62, 65, 67, 69, 71, 73, 74, 75, 77, 79, 82, 83, 85, 86, 87, 89, 91, 93, 94, 95, 97, 98, 99, 101, 103, 105, 106, 107, 109, 110, 111, 113, 115, 117, 118, 119, 121, 122, 123, 125]

cp's OEIS Frontend

A387710 Numbers k for which A003959(k) < 2*k, where A003959 is multiplicative with a(p^e) = (p+1)^e.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	10
8	11
9	13
10	14
11	15
12	17
13	19
14	21
15	22
16	23
17	25
18	26
19	29
20	31
21	33
22	34
23	35
24	37
25	38
26	39
27	41
28	43
29	46
30	47
31	49
32	51
33	53
34	55
35	57
36	58
37	59
38	61
39	62
40	65
41	67
42	69
43	71
44	73
45	74
46	75
47	77
48	79
49	82
50	83
51	85
52	86
53	87
54	89
55	91
56	93
57	94
58	95
59	97
60	98
61	99
62	101
63	103
64	105
65	106
66	107
67	109
68	110
69	111
70	113
71	115
72	117
73	118
74	119
75	121
76	122
77	123
78	125

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	10
8	11
9	13
10	14
11	15
12	17
13	19
14	21
15	22
16	23
17	25
18	26
19	29
20	31
21	33
22	34
23	35
24	37
25	38
26	39
27	41
28	43
29	46
30	47
31	49
32	51
33	53
34	55
35	57
36	58
37	59
38	61
39	62
40	65
41	67
42	69
43	71
44	73
45	74
46	75
47	77
48	79
49	82
50	83
51	85
52	86
53	87
54	89
55	91
56	93
57	94
58	95
59	97
60	98
61	99
62	101
63	103
64	105
65	106
66	107
67	109
68	110
69	111
70	113
71	115
72	117
73	118
74	119
75	121
76	122
77	123
78	125

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	9
7	10
8	11
9	13
10	14
11	15
12	17
13	19
14	21
15	22
16	23
17	25
18	26
19	29
20	31
21	33
22	34
23	35
24	37
25	38
26	39
27	41
28	43
29	46
30	47
31	49
32	51
33	53
34	55
35	57
36	58
37	59
38	61
39	62
40	65
41	67
42	69
43	71
44	73
45	74
46	75
47	77
48	79
49	82
50	83
51	85
52	86
53	87
54	89
55	91
56	93
57	94
58	95
59	97
60	98
61	99
62	101
63	103
64	105
65	106
66	107
67	109
68	110
69	111
70	113
71	115
72	117
73	118
74	119
75	121
76	122
77	123
78	125