A287549 - cp's OEIS frontend

A287549 Total number of unordered factorizations of all positive integers <= n into distinct factors greater than 1.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	10
9	11
10	13
11	14
12	17
13	18
14	20
15	22
16	24
17	25
18	28
19	29
20	32
21	34
22	36
23	37
24	42
25	43
26	45
27	47
28	50
29	51
30	56
31	57
32	60
33	62
34	64
35	66
36	71
37	72
38	74
39	76
40	81
41	82
42	87
43	88
44	91
45	94
46	96
47	97
48	104
49	105
50	108
51	110
52	113
53	114
54	119
55	121
56	126
57	128
58	130
59	131
60	140
61	141
62	143
63	146
64	150
65	152
66	157
67	158
68	161
69	163
70	168
71	169
72	178
73	179
74	181
75	184

[1, 2, 3, 4, 5, 7, 8, 10, 11, 13, 14, 17, 18, 20, 22, 24, 25, 28, 29, 32, 34, 36, 37, 42, 43, 45, 47, 50, 51, 56, 57, 60, 62, 64, 66, 71, 72, 74, 76, 81, 82, 87, 88, 91, 94, 96, 97, 104, 105, 108, 110, 113, 114, 119, 121, 126, 128, 130, 131, 140, 141, 143, 146, 150, 152, 157, 158, 161, 163, 168, 169, 178, 179, 181, 184]

cp's OEIS Frontend

A287549 Total number of unordered factorizations of all positive integers <= n into distinct factors greater than 1.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	10
9	11
10	13
11	14
12	17
13	18
14	20
15	22
16	24
17	25
18	28
19	29
20	32
21	34
22	36
23	37
24	42
25	43
26	45
27	47
28	50
29	51
30	56
31	57
32	60
33	62
34	64
35	66
36	71
37	72
38	74
39	76
40	81
41	82
42	87
43	88
44	91
45	94
46	96
47	97
48	104
49	105
50	108
51	110
52	113
53	114
54	119
55	121
56	126
57	128
58	130
59	131
60	140
61	141
62	143
63	146
64	150
65	152
66	157
67	158
68	161
69	163
70	168
71	169
72	178
73	179
74	181
75	184

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	10
9	11
10	13
11	14
12	17
13	18
14	20
15	22
16	24
17	25
18	28
19	29
20	32
21	34
22	36
23	37
24	42
25	43
26	45
27	47
28	50
29	51
30	56
31	57
32	60
33	62
34	64
35	66
36	71
37	72
38	74
39	76
40	81
41	82
42	87
43	88
44	91
45	94
46	96
47	97
48	104
49	105
50	108
51	110
52	113
53	114
54	119
55	121
56	126
57	128
58	130
59	131
60	140
61	141
62	143
63	146
64	150
65	152
66	157
67	158
68	161
69	163
70	168
71	169
72	178
73	179
74	181
75	184

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	10
9	11
10	13
11	14
12	17
13	18
14	20
15	22
16	24
17	25
18	28
19	29
20	32
21	34
22	36
23	37
24	42
25	43
26	45
27	47
28	50
29	51
30	56
31	57
32	60
33	62
34	64
35	66
36	71
37	72
38	74
39	76
40	81
41	82
42	87
43	88
44	91
45	94
46	96
47	97
48	104
49	105
50	108
51	110
52	113
53	114
54	119
55	121
56	126
57	128
58	130
59	131
60	140
61	141
62	143
63	146
64	150
65	152
66	157
67	158
68	161
69	163
70	168
71	169
72	178
73	179
74	181
75	184