A236022 - cp's OEIS frontend

A236022 Composite numbers n sorted by increasing values of gamma(n) = log_2(n+1) - log_tau(n) (sigma(n)), where sigma(n) = A000203(n) = the sum of divisors of n and tau(n) = A000005(n) = the number of divisors of n.

n	a(n)
1	4
2	9
3	6
4	8
5	10
6	25
7	14
8	15
9	12
10	22
11	16
12	21
13	49
14	26
15	27
16	18
17	34
18	33
19	20
20	38
21	35
22	39
23	46
24	121
25	28
26	51
27	58
28	169
29	24
30	62
31	57
32	55
33	32
34	74
35	69
36	65
37	82
38	30
39	86
40	289
41	94
42	77
43	87
44	44
45	85
46	93
47	106
48	361
49	45
50	91
51	95
52	50
53	118
54	36
55	52
56	122
57	111
58	40
59	42
60	134
61	123
62	115
63	142

[4, 9, 6, 8, 10, 25, 14, 15, 12, 22, 16, 21, 49, 26, 27, 18, 34, 33, 20, 38, 35, 39, 46, 121, 28, 51, 58, 169, 24, 62, 57, 55, 32, 74, 69, 65, 82, 30, 86, 289, 94, 77, 87, 44, 85, 93, 106, 361, 45, 91, 95, 50, 118, 36, 52, 122, 111, 40, 42, 134, 123, 115, 142]

cp's OEIS Frontend

A236022 Composite numbers n sorted by increasing values of gamma(n) = log_2(n+1) - log_tau(n) (sigma(n)), where sigma(n) = A000203(n) = the sum of divisors of n and tau(n) = A000005(n) = the number of divisors of n.

Table of values

List of values

n	a(n)
1	4
2	9
3	6
4	8
5	10
6	25
7	14
8	15
9	12
10	22
11	16
12	21
13	49
14	26
15	27
16	18
17	34
18	33
19	20
20	38
21	35
22	39
23	46
24	121
25	28
26	51
27	58
28	169
29	24
30	62
31	57
32	55
33	32
34	74
35	69
36	65
37	82
38	30
39	86
40	289
41	94
42	77
43	87
44	44
45	85
46	93
47	106
48	361
49	45
50	91
51	95
52	50
53	118
54	36
55	52
56	122
57	111
58	40
59	42
60	134
61	123
62	115
63	142

n	a(n)
1	4
2	9
3	6
4	8
5	10
6	25
7	14
8	15
9	12
10	22
11	16
12	21
13	49
14	26
15	27
16	18
17	34
18	33
19	20
20	38
21	35
22	39
23	46
24	121
25	28
26	51
27	58
28	169
29	24
30	62
31	57
32	55
33	32
34	74
35	69
36	65
37	82
38	30
39	86
40	289
41	94
42	77
43	87
44	44
45	85
46	93
47	106
48	361
49	45
50	91
51	95
52	50
53	118
54	36
55	52
56	122
57	111
58	40
59	42
60	134
61	123
62	115
63	142

n	a(n)
1	4
2	9
3	6
4	8
5	10
6	25
7	14
8	15
9	12
10	22
11	16
12	21
13	49
14	26
15	27
16	18
17	34
18	33
19	20
20	38
21	35
22	39
23	46
24	121
25	28
26	51
27	58
28	169
29	24
30	62
31	57
32	55
33	32
34	74
35	69
36	65
37	82
38	30
39	86
40	289
41	94
42	77
43	87
44	44
45	85
46	93
47	106
48	361
49	45
50	91
51	95
52	50
53	118
54	36
55	52
56	122
57	111
58	40
59	42
60	134
61	123
62	115
63	142