A057921 - cp's OEIS frontend

A057921 d(n+1) divides d(n), where d(n) is number of positive divisors of n.

n	a(n)
0	2
1	6
2	10
3	12
4	14
5	18
6	21
7	22
8	26
9	28
10	30
11	33
12	34
13	38
14	40
15	42
16	44
17	46
18	52
19	54
20	56
21	57
22	58
23	60
24	66
25	70
26	72
27	75
28	78
29	80
30	82
31	84
32	85
33	86
34	88
35	90
36	93
37	94
38	96
39	98
40	102
41	104
42	105
43	106
44	108
45	110
46	112
47	114
48	116
49	118
50	122
51	126
52	128
53	130
54	132
55	133
56	135
57	136
58	138
59	140
60	141
61	142

[2, 6, 10, 12, 14, 18, 21, 22, 26, 28, 30, 33, 34, 38, 40, 42, 44, 46, 52, 54, 56, 57, 58, 60, 66, 70, 72, 75, 78, 80, 82, 84, 85, 86, 88, 90, 93, 94, 96, 98, 102, 104, 105, 106, 108, 110, 112, 114, 116, 118, 122, 126, 128, 130, 132, 133, 135, 136, 138, 140, 141, 142]

cp's OEIS Frontend

A057921 d(n+1) divides d(n), where d(n) is number of positive divisors of n.

Table of values

List of values

n	a(n)
0	2
1	6
2	10
3	12
4	14
5	18
6	21
7	22
8	26
9	28
10	30
11	33
12	34
13	38
14	40
15	42
16	44
17	46
18	52
19	54
20	56
21	57
22	58
23	60
24	66
25	70
26	72
27	75
28	78
29	80
30	82
31	84
32	85
33	86
34	88
35	90
36	93
37	94
38	96
39	98
40	102
41	104
42	105
43	106
44	108
45	110
46	112
47	114
48	116
49	118
50	122
51	126
52	128
53	130
54	132
55	133
56	135
57	136
58	138
59	140
60	141
61	142

n	a(n)
0	2
1	6
2	10
3	12
4	14
5	18
6	21
7	22
8	26
9	28
10	30
11	33
12	34
13	38
14	40
15	42
16	44
17	46
18	52
19	54
20	56
21	57
22	58
23	60
24	66
25	70
26	72
27	75
28	78
29	80
30	82
31	84
32	85
33	86
34	88
35	90
36	93
37	94
38	96
39	98
40	102
41	104
42	105
43	106
44	108
45	110
46	112
47	114
48	116
49	118
50	122
51	126
52	128
53	130
54	132
55	133
56	135
57	136
58	138
59	140
60	141
61	142

n	a(n)
0	2
1	6
2	10
3	12
4	14
5	18
6	21
7	22
8	26
9	28
10	30
11	33
12	34
13	38
14	40
15	42
16	44
17	46
18	52
19	54
20	56
21	57
22	58
23	60
24	66
25	70
26	72
27	75
28	78
29	80
30	82
31	84
32	85
33	86
34	88
35	90
36	93
37	94
38	96
39	98
40	102
41	104
42	105
43	106
44	108
45	110
46	112
47	114
48	116
49	118
50	122
51	126
52	128
53	130
54	132
55	133
56	135
57	136
58	138
59	140
60	141
61	142