A380303 - cp's OEIS frontend

A380303 Numbers m such that GCD of the solutions x to sigma(x) = sigma(m) are setwise coprime.

n	a(n)
1	1
2	6
3	10
4	11
5	14
6	15
7	16
8	17
9	20
10	21
11	23
12	24
13	25
14	26
15	28
16	30
17	31
18	33
19	34
20	35
21	38
22	39
23	40
24	41
25	42
26	44
27	46
28	47
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	62
40	63
41	65
42	66
43	69
44	70
45	71
46	74
47	76
48	77
49	78
50	79
51	83
52	84
53	85
54	86
55	87
56	88
57	89
58	90
59	92
60	93
61	94
62	95
63	96
64	97
65	99
66	102
67	103
68	105
69	107
70	108
71	110
72	111
73	112
74	113
75	114
76	115
77	117
78	118
79	119
80	120
81	123
82	124
83	125
84	126
85	127
86	130
87	131
88	132
89	135
90	136
91	138
92	139
93	140
94	141
95	142
96	143
97	145
98	147
99	150

[1, 6, 10, 11, 14, 15, 16, 17, 20, 21, 23, 24, 25, 26, 28, 30, 31, 33, 34, 35, 38, 39, 40, 41, 42, 44, 46, 47, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 62, 63, 65, 66, 69, 70, 71, 74, 76, 77, 78, 79, 83, 84, 85, 86, 87, 88, 89, 90, 92, 93, 94, 95, 96, 97, 99, 102, 103, 105, 107, 108, 110, 111, 112, 113, 114, 115, 117, 118, 119, 120, 123, 124, 125, 126, 127, 130, 131, 132, 135, 136, 138, 139, 140, 141, 142, 143, 145, 147, 150]

cp's OEIS Frontend

A380303 Numbers m such that GCD of the solutions x to sigma(x) = sigma(m) are setwise coprime.

Table of values

List of values

n	a(n)
1	1
2	6
3	10
4	11
5	14
6	15
7	16
8	17
9	20
10	21
11	23
12	24
13	25
14	26
15	28
16	30
17	31
18	33
19	34
20	35
21	38
22	39
23	40
24	41
25	42
26	44
27	46
28	47
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	62
40	63
41	65
42	66
43	69
44	70
45	71
46	74
47	76
48	77
49	78
50	79
51	83
52	84
53	85
54	86
55	87
56	88
57	89
58	90
59	92
60	93
61	94
62	95
63	96
64	97
65	99
66	102
67	103
68	105
69	107
70	108
71	110
72	111
73	112
74	113
75	114
76	115
77	117
78	118
79	119
80	120
81	123
82	124
83	125
84	126
85	127
86	130
87	131
88	132
89	135
90	136
91	138
92	139
93	140
94	141
95	142
96	143
97	145
98	147
99	150

n	a(n)
1	1
2	6
3	10
4	11
5	14
6	15
7	16
8	17
9	20
10	21
11	23
12	24
13	25
14	26
15	28
16	30
17	31
18	33
19	34
20	35
21	38
22	39
23	40
24	41
25	42
26	44
27	46
28	47
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	62
40	63
41	65
42	66
43	69
44	70
45	71
46	74
47	76
48	77
49	78
50	79
51	83
52	84
53	85
54	86
55	87
56	88
57	89
58	90
59	92
60	93
61	94
62	95
63	96
64	97
65	99
66	102
67	103
68	105
69	107
70	108
71	110
72	111
73	112
74	113
75	114
76	115
77	117
78	118
79	119
80	120
81	123
82	124
83	125
84	126
85	127
86	130
87	131
88	132
89	135
90	136
91	138
92	139
93	140
94	141
95	142
96	143
97	145
98	147
99	150

n	a(n)
1	1
2	6
3	10
4	11
5	14
6	15
7	16
8	17
9	20
10	21
11	23
12	24
13	25
14	26
15	28
16	30
17	31
18	33
19	34
20	35
21	38
22	39
23	40
24	41
25	42
26	44
27	46
28	47
29	51
30	52
31	53
32	54
33	55
34	56
35	57
36	58
37	59
38	60
39	62
40	63
41	65
42	66
43	69
44	70
45	71
46	74
47	76
48	77
49	78
50	79
51	83
52	84
53	85
54	86
55	87
56	88
57	89
58	90
59	92
60	93
61	94
62	95
63	96
64	97
65	99
66	102
67	103
68	105
69	107
70	108
71	110
72	111
73	112
74	113
75	114
76	115
77	117
78	118
79	119
80	120
81	123
82	124
83	125
84	126
85	127
86	130
87	131
88	132
89	135
90	136
91	138
92	139
93	140
94	141
95	142
96	143
97	145
98	147
99	150