A326692 - cp's OEIS frontend

A326692 Values of k for which the denominator of (Sum_{prime p | k} 1/p - 1/k) is k.

n	a(n)
1	1
2	4
3	8
4	9
5	15
6	16
7	20
8	24
9	25
10	27
11	28
12	32
13	33
14	35
15	36
16	40
17	44
18	45
19	49
20	51
21	52
22	60
23	63
24	64
25	65
26	68
27	69
28	72
29	76
30	77
31	81
32	85
33	87
34	88
35	91
36	92
37	95
38	96
39	99
40	100
41	104
42	108
43	112
44	115
45	116
46	117
47	119
48	121
49	123
50	124
51	125
52	128
53	133
54	135
55	136
56	140
57	141
58	143
59	144
60	145
61	148

[1, 4, 8, 9, 15, 16, 20, 24, 25, 27, 28, 32, 33, 35, 36, 40, 44, 45, 49, 51, 52, 60, 63, 64, 65, 68, 69, 72, 76, 77, 81, 85, 87, 88, 91, 92, 95, 96, 99, 100, 104, 108, 112, 115, 116, 117, 119, 121, 123, 124, 125, 128, 133, 135, 136, 140, 141, 143, 144, 145, 148]

cp's OEIS Frontend

A326692 Values of k for which the denominator of (Sum_{prime p | k} 1/p - 1/k) is k.

Table of values

List of values

n	a(n)
1	1
2	4
3	8
4	9
5	15
6	16
7	20
8	24
9	25
10	27
11	28
12	32
13	33
14	35
15	36
16	40
17	44
18	45
19	49
20	51
21	52
22	60
23	63
24	64
25	65
26	68
27	69
28	72
29	76
30	77
31	81
32	85
33	87
34	88
35	91
36	92
37	95
38	96
39	99
40	100
41	104
42	108
43	112
44	115
45	116
46	117
47	119
48	121
49	123
50	124
51	125
52	128
53	133
54	135
55	136
56	140
57	141
58	143
59	144
60	145
61	148

n	a(n)
1	1
2	4
3	8
4	9
5	15
6	16
7	20
8	24
9	25
10	27
11	28
12	32
13	33
14	35
15	36
16	40
17	44
18	45
19	49
20	51
21	52
22	60
23	63
24	64
25	65
26	68
27	69
28	72
29	76
30	77
31	81
32	85
33	87
34	88
35	91
36	92
37	95
38	96
39	99
40	100
41	104
42	108
43	112
44	115
45	116
46	117
47	119
48	121
49	123
50	124
51	125
52	128
53	133
54	135
55	136
56	140
57	141
58	143
59	144
60	145
61	148

n	a(n)
1	1
2	4
3	8
4	9
5	15
6	16
7	20
8	24
9	25
10	27
11	28
12	32
13	33
14	35
15	36
16	40
17	44
18	45
19	49
20	51
21	52
22	60
23	63
24	64
25	65
26	68
27	69
28	72
29	76
30	77
31	81
32	85
33	87
34	88
35	91
36	92
37	95
38	96
39	99
40	100
41	104
42	108
43	112
44	115
45	116
46	117
47	119
48	121
49	123
50	124
51	125
52	128
53	133
54	135
55	136
56	140
57	141
58	143
59	144
60	145
61	148