A338569 - cp's OEIS frontend

A338569 Number of integers less than n with the same number of ordered factorizations as n.

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

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

cp's OEIS Frontend

A338569 Number of integers less than n with the same number of ordered factorizations as n.

Table of values

List of values

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

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

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