A113837 - cp's OEIS frontend

A113837 A number k is included if d(sigma(k)) > sigma(d(k)), where d(k) is number of positive divisors of k and sigma(k) is sum of positive divisors of k.

n	a(n)
1	5
2	7
3	11
4	13
5	14
6	15
7	17
8	19
9	22
10	23
11	26
12	27
13	29
14	31
15	33
16	34
17	35
18	37
19	38
20	39
21	41
22	43
23	46
24	47
25	51
26	53
27	54
28	55
29	56
30	57
31	58
32	59
33	61
34	62
35	65
36	67
37	69
38	71
39	73
40	74
41	77
42	78
43	79
44	82
45	83
46	85
47	86
48	87
49	88
50	89
51	91
52	92
53	93
54	94
55	95
56	97
57	101
58	102
59	103
60	104
61	106
62	107
63	109
64	110
65	111
66	113
67	114

[5, 7, 11, 13, 14, 15, 17, 19, 22, 23, 26, 27, 29, 31, 33, 34, 35, 37, 38, 39, 41, 43, 46, 47, 51, 53, 54, 55, 56, 57, 58, 59, 61, 62, 65, 67, 69, 71, 73, 74, 77, 78, 79, 82, 83, 85, 86, 87, 88, 89, 91, 92, 93, 94, 95, 97, 101, 102, 103, 104, 106, 107, 109, 110, 111, 113, 114]

cp's OEIS Frontend

A113837 A number k is included if d(sigma(k)) > sigma(d(k)), where d(k) is number of positive divisors of k and sigma(k) is sum of positive divisors of k.

Table of values

List of values

n	a(n)
1	5
2	7
3	11
4	13
5	14
6	15
7	17
8	19
9	22
10	23
11	26
12	27
13	29
14	31
15	33
16	34
17	35
18	37
19	38
20	39
21	41
22	43
23	46
24	47
25	51
26	53
27	54
28	55
29	56
30	57
31	58
32	59
33	61
34	62
35	65
36	67
37	69
38	71
39	73
40	74
41	77
42	78
43	79
44	82
45	83
46	85
47	86
48	87
49	88
50	89
51	91
52	92
53	93
54	94
55	95
56	97
57	101
58	102
59	103
60	104
61	106
62	107
63	109
64	110
65	111
66	113
67	114

n	a(n)
1	5
2	7
3	11
4	13
5	14
6	15
7	17
8	19
9	22
10	23
11	26
12	27
13	29
14	31
15	33
16	34
17	35
18	37
19	38
20	39
21	41
22	43
23	46
24	47
25	51
26	53
27	54
28	55
29	56
30	57
31	58
32	59
33	61
34	62
35	65
36	67
37	69
38	71
39	73
40	74
41	77
42	78
43	79
44	82
45	83
46	85
47	86
48	87
49	88
50	89
51	91
52	92
53	93
54	94
55	95
56	97
57	101
58	102
59	103
60	104
61	106
62	107
63	109
64	110
65	111
66	113
67	114

n	a(n)
1	5
2	7
3	11
4	13
5	14
6	15
7	17
8	19
9	22
10	23
11	26
12	27
13	29
14	31
15	33
16	34
17	35
18	37
19	38
20	39
21	41
22	43
23	46
24	47
25	51
26	53
27	54
28	55
29	56
30	57
31	58
32	59
33	61
34	62
35	65
36	67
37	69
38	71
39	73
40	74
41	77
42	78
43	79
44	82
45	83
46	85
47	86
48	87
49	88
50	89
51	91
52	92
53	93
54	94
55	95
56	97
57	101
58	102
59	103
60	104
61	106
62	107
63	109
64	110
65	111
66	113
67	114