A263837 - cp's OEIS frontend

A263837 Non-abundant numbers (or nonabundant numbers): complement of A005101; numbers k for which sigma(k) <= 2*k.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	19
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	41
35	43
36	44
37	45
38	46
39	47
40	49
41	50
42	51
43	52
44	53
45	55
46	57
47	58
48	59
49	61
50	62
51	63
52	64
53	65
54	67
55	68
56	69
57	71
58	73
59	74
60	75
61	76
62	77
63	79
64	81
65	82
66	83
67	85
68	86
69	87
70	89
71	91
72	92
73	93
74	94
75	95
76	97
77	98
78	99

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 21, 22, 23, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 37, 38, 39, 41, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 61, 62, 63, 64, 65, 67, 68, 69, 71, 73, 74, 75, 76, 77, 79, 81, 82, 83, 85, 86, 87, 89, 91, 92, 93, 94, 95, 97, 98, 99]

cp's OEIS Frontend

A263837 Non-abundant numbers (or nonabundant numbers): complement of A005101; numbers k for which sigma(k) <= 2*k.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	19
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	41
35	43
36	44
37	45
38	46
39	47
40	49
41	50
42	51
43	52
44	53
45	55
46	57
47	58
48	59
49	61
50	62
51	63
52	64
53	65
54	67
55	68
56	69
57	71
58	73
59	74
60	75
61	76
62	77
63	79
64	81
65	82
66	83
67	85
68	86
69	87
70	89
71	91
72	92
73	93
74	94
75	95
76	97
77	98
78	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	19
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	41
35	43
36	44
37	45
38	46
39	47
40	49
41	50
42	51
43	52
44	53
45	55
46	57
47	58
48	59
49	61
50	62
51	63
52	64
53	65
54	67
55	68
56	69
57	71
58	73
59	74
60	75
61	76
62	77
63	79
64	81
65	82
66	83
67	85
68	86
69	87
70	89
71	91
72	92
73	93
74	94
75	95
76	97
77	98
78	99

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	13
13	14
14	15
15	16
16	17
17	19
18	21
19	22
20	23
21	25
22	26
23	27
24	28
25	29
26	31
27	32
28	33
29	34
30	35
31	37
32	38
33	39
34	41
35	43
36	44
37	45
38	46
39	47
40	49
41	50
42	51
43	52
44	53
45	55
46	57
47	58
48	59
49	61
50	62
51	63
52	64
53	65
54	67
55	68
56	69
57	71
58	73
59	74
60	75
61	76
62	77
63	79
64	81
65	82
66	83
67	85
68	86
69	87
70	89
71	91
72	92
73	93
74	94
75	95
76	97
77	98
78	99