A338568 - cp's OEIS frontend

A338568 Number of integers less than n with the same number of unordered factorizations as n.

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	3
11	5
12	0
13	6
14	4
15	5
16	0
17	7
18	1
19	8
20	2
21	6
22	7
23	9
24	0
25	8
26	9
27	1
28	3
29	10
30	1
31	11
32	1
33	10
34	11
35	12
36	0
37	12
38	13
39	14
40	2
41	13
42	2
43	14
44	4
45	5
46	15
47	15
48	0
49	16
50	6
51	17
52	7
53	16
54	3
55	18
56	4
57	19
58	20
59	17
60	0
61	18
62	21
63	8
64	1
65	22
66	3
67	19
68	9
69	23
70	4
71	20
72	0
73	21
74	24
75	10
76	11
77	25
78	5
79	22
80	1

[0, 1, 2, 0, 3, 1, 4, 0, 2, 3, 5, 0, 6, 4, 5, 0, 7, 1, 8, 2, 6, 7, 9, 0, 8, 9, 1, 3, 10, 1, 11, 1, 10, 11, 12, 0, 12, 13, 14, 2, 13, 2, 14, 4, 5, 15, 15, 0, 16, 6, 17, 7, 16, 3, 18, 4, 19, 20, 17, 0, 18, 21, 8, 1, 22, 3, 19, 9, 23, 4, 20, 0, 21, 24, 10, 11, 25, 5, 22, 1]

cp's OEIS Frontend

A338568 Number of integers less than n with the same number of unordered factorizations as n.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	3
11	5
12	0
13	6
14	4
15	5
16	0
17	7
18	1
19	8
20	2
21	6
22	7
23	9
24	0
25	8
26	9
27	1
28	3
29	10
30	1
31	11
32	1
33	10
34	11
35	12
36	0
37	12
38	13
39	14
40	2
41	13
42	2
43	14
44	4
45	5
46	15
47	15
48	0
49	16
50	6
51	17
52	7
53	16
54	3
55	18
56	4
57	19
58	20
59	17
60	0
61	18
62	21
63	8
64	1
65	22
66	3
67	19
68	9
69	23
70	4
71	20
72	0
73	21
74	24
75	10
76	11
77	25
78	5
79	22
80	1

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	3
11	5
12	0
13	6
14	4
15	5
16	0
17	7
18	1
19	8
20	2
21	6
22	7
23	9
24	0
25	8
26	9
27	1
28	3
29	10
30	1
31	11
32	1
33	10
34	11
35	12
36	0
37	12
38	13
39	14
40	2
41	13
42	2
43	14
44	4
45	5
46	15
47	15
48	0
49	16
50	6
51	17
52	7
53	16
54	3
55	18
56	4
57	19
58	20
59	17
60	0
61	18
62	21
63	8
64	1
65	22
66	3
67	19
68	9
69	23
70	4
71	20
72	0
73	21
74	24
75	10
76	11
77	25
78	5
79	22
80	1

n	a(n)
1	0
2	1
3	2
4	0
5	3
6	1
7	4
8	0
9	2
10	3
11	5
12	0
13	6
14	4
15	5
16	0
17	7
18	1
19	8
20	2
21	6
22	7
23	9
24	0
25	8
26	9
27	1
28	3
29	10
30	1
31	11
32	1
33	10
34	11
35	12
36	0
37	12
38	13
39	14
40	2
41	13
42	2
43	14
44	4
45	5
46	15
47	15
48	0
49	16
50	6
51	17
52	7
53	16
54	3
55	18
56	4
57	19
58	20
59	17
60	0
61	18
62	21
63	8
64	1
65	22
66	3
67	19
68	9
69	23
70	4
71	20
72	0
73	21
74	24
75	10
76	11
77	25
78	5
79	22
80	1