A063977 - cp's OEIS frontend

A063977 Numbers which are sums of unitary divisors, the usigma values: their inverse usigma set is not empty; usigma() = A034448().

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	8
7	9
8	10
9	12
10	14
11	17
12	18
13	20
14	24
15	26
16	28
17	30
18	32
19	33
20	36
21	38
22	40
23	42
24	44
25	48
26	50
27	54
28	56
29	60
30	62
31	65
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	90
41	96
42	98
43	100
44	102
45	104
46	108
47	110
48	112
49	114
50	120
51	122
52	126
53	128
54	129
55	130
56	132
57	136
58	138
59	140
60	144
61	150
62	152
63	158

[1, 3, 4, 5, 6, 8, 9, 10, 12, 14, 17, 18, 20, 24, 26, 28, 30, 32, 33, 36, 38, 40, 42, 44, 48, 50, 54, 56, 60, 62, 65, 68, 70, 72, 74, 78, 80, 82, 84, 90, 96, 98, 100, 102, 104, 108, 110, 112, 114, 120, 122, 126, 128, 129, 130, 132, 136, 138, 140, 144, 150, 152, 158]

cp's OEIS Frontend

A063977 Numbers which are sums of unitary divisors, the usigma values: their inverse usigma set is not empty; usigma() = A034448().

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	8
7	9
8	10
9	12
10	14
11	17
12	18
13	20
14	24
15	26
16	28
17	30
18	32
19	33
20	36
21	38
22	40
23	42
24	44
25	48
26	50
27	54
28	56
29	60
30	62
31	65
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	90
41	96
42	98
43	100
44	102
45	104
46	108
47	110
48	112
49	114
50	120
51	122
52	126
53	128
54	129
55	130
56	132
57	136
58	138
59	140
60	144
61	150
62	152
63	158

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	8
7	9
8	10
9	12
10	14
11	17
12	18
13	20
14	24
15	26
16	28
17	30
18	32
19	33
20	36
21	38
22	40
23	42
24	44
25	48
26	50
27	54
28	56
29	60
30	62
31	65
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	90
41	96
42	98
43	100
44	102
45	104
46	108
47	110
48	112
49	114
50	120
51	122
52	126
53	128
54	129
55	130
56	132
57	136
58	138
59	140
60	144
61	150
62	152
63	158

n	a(n)
1	1
2	3
3	4
4	5
5	6
6	8
7	9
8	10
9	12
10	14
11	17
12	18
13	20
14	24
15	26
16	28
17	30
18	32
19	33
20	36
21	38
22	40
23	42
24	44
25	48
26	50
27	54
28	56
29	60
30	62
31	65
32	68
33	70
34	72
35	74
36	78
37	80
38	82
39	84
40	90
41	96
42	98
43	100
44	102
45	104
46	108
47	110
48	112
49	114
50	120
51	122
52	126
53	128
54	129
55	130
56	132
57	136
58	138
59	140
60	144
61	150
62	152
63	158