A099593 - cp's OEIS frontend

A099593 Sum of the number of e-divisors of all numbers from 2 up to n.

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	11
10	12
11	13
12	15
13	16
14	17
15	18
16	21
17	22
18	24
19	25
20	27
21	28
22	29
23	30
24	32
25	34
26	35
27	37
28	39
29	40
30	41
31	42
32	44
33	45
34	46
35	47
36	51
37	52
38	53
39	54
40	56
41	57
42	58
43	59
44	61
45	63
46	64
47	65
48	68
49	70
50	72
51	73
52	75
53	76
54	78
55	79
56	81
57	82
58	83
59	84
60	86
61	87
62	88
63	90
64	94
65	95
66	96
67	97
68	99
69	100
70	101

[0, 1, 2, 4, 5, 6, 7, 9, 11, 12, 13, 15, 16, 17, 18, 21, 22, 24, 25, 27, 28, 29, 30, 32, 34, 35, 37, 39, 40, 41, 42, 44, 45, 46, 47, 51, 52, 53, 54, 56, 57, 58, 59, 61, 63, 64, 65, 68, 70, 72, 73, 75, 76, 78, 79, 81, 82, 83, 84, 86, 87, 88, 90, 94, 95, 96, 97, 99, 100, 101]

cp's OEIS Frontend

A099593 Sum of the number of e-divisors of all numbers from 2 up to n.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	11
10	12
11	13
12	15
13	16
14	17
15	18
16	21
17	22
18	24
19	25
20	27
21	28
22	29
23	30
24	32
25	34
26	35
27	37
28	39
29	40
30	41
31	42
32	44
33	45
34	46
35	47
36	51
37	52
38	53
39	54
40	56
41	57
42	58
43	59
44	61
45	63
46	64
47	65
48	68
49	70
50	72
51	73
52	75
53	76
54	78
55	79
56	81
57	82
58	83
59	84
60	86
61	87
62	88
63	90
64	94
65	95
66	96
67	97
68	99
69	100
70	101

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	11
10	12
11	13
12	15
13	16
14	17
15	18
16	21
17	22
18	24
19	25
20	27
21	28
22	29
23	30
24	32
25	34
26	35
27	37
28	39
29	40
30	41
31	42
32	44
33	45
34	46
35	47
36	51
37	52
38	53
39	54
40	56
41	57
42	58
43	59
44	61
45	63
46	64
47	65
48	68
49	70
50	72
51	73
52	75
53	76
54	78
55	79
56	81
57	82
58	83
59	84
60	86
61	87
62	88
63	90
64	94
65	95
66	96
67	97
68	99
69	100
70	101

n	a(n)
1	0
2	1
3	2
4	4
5	5
6	6
7	7
8	9
9	11
10	12
11	13
12	15
13	16
14	17
15	18
16	21
17	22
18	24
19	25
20	27
21	28
22	29
23	30
24	32
25	34
26	35
27	37
28	39
29	40
30	41
31	42
32	44
33	45
34	46
35	47
36	51
37	52
38	53
39	54
40	56
41	57
42	58
43	59
44	61
45	63
46	64
47	65
48	68
49	70
50	72
51	73
52	75
53	76
54	78
55	79
56	81
57	82
58	83
59	84
60	86
61	87
62	88
63	90
64	94
65	95
66	96
67	97
68	99
69	100
70	101