A050333 - cp's OEIS frontend

A050333 Number of factorizations into distinct numbers with an odd number of prime factors indexed by prime signatures. A050332(A025487).

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	2
13	3
14	1
15	2
16	3
17	4
18	1
19	3
20	4
21	3
22	5
23	4
24	6
25	2
26	4
27	7
28	4
29	7
30	5
31	8
32	2
33	6
34	10
35	5
36	12
37	7
38	7
39	10
40	2
41	12
42	7
43	13
44	8
45	14
46	6
47	18
48	10
49	13
50	13
51	2
52	17
53	8
54	12
55	23
56	11
57	20
58	7
59	25
60	12
61	20
62	16
63	3
64	26
65	11
66	22
67	34
68	14
69	22
70	25
71	8
72	26
73	28
74	35
75	16
76	30
77	39
78	21
79	15
80	3
81	35
82	14
83	39

[1, 1, 0, 1, 1, 1, 1, 2, 2, 1, 2, 2, 3, 1, 2, 3, 4, 1, 3, 4, 3, 5, 4, 6, 2, 4, 7, 4, 7, 5, 8, 2, 6, 10, 5, 12, 7, 7, 10, 2, 12, 7, 13, 8, 14, 6, 18, 10, 13, 13, 2, 17, 8, 12, 23, 11, 20, 7, 25, 12, 20, 16, 3, 26, 11, 22, 34, 14, 22, 25, 8, 26, 28, 35, 16, 30, 39, 21, 15, 3, 35, 14, 39]

cp's OEIS Frontend

A050333 Number of factorizations into distinct numbers with an odd number of prime factors indexed by prime signatures. A050332(A025487).

Table of values

List of values

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	2
13	3
14	1
15	2
16	3
17	4
18	1
19	3
20	4
21	3
22	5
23	4
24	6
25	2
26	4
27	7
28	4
29	7
30	5
31	8
32	2
33	6
34	10
35	5
36	12
37	7
38	7
39	10
40	2
41	12
42	7
43	13
44	8
45	14
46	6
47	18
48	10
49	13
50	13
51	2
52	17
53	8
54	12
55	23
56	11
57	20
58	7
59	25
60	12
61	20
62	16
63	3
64	26
65	11
66	22
67	34
68	14
69	22
70	25
71	8
72	26
73	28
74	35
75	16
76	30
77	39
78	21
79	15
80	3
81	35
82	14
83	39

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	2
13	3
14	1
15	2
16	3
17	4
18	1
19	3
20	4
21	3
22	5
23	4
24	6
25	2
26	4
27	7
28	4
29	7
30	5
31	8
32	2
33	6
34	10
35	5
36	12
37	7
38	7
39	10
40	2
41	12
42	7
43	13
44	8
45	14
46	6
47	18
48	10
49	13
50	13
51	2
52	17
53	8
54	12
55	23
56	11
57	20
58	7
59	25
60	12
61	20
62	16
63	3
64	26
65	11
66	22
67	34
68	14
69	22
70	25
71	8
72	26
73	28
74	35
75	16
76	30
77	39
78	21
79	15
80	3
81	35
82	14
83	39

n	a(n)
1	1
2	1
3	0
4	1
5	1
6	1
7	1
8	2
9	2
10	1
11	2
12	2
13	3
14	1
15	2
16	3
17	4
18	1
19	3
20	4
21	3
22	5
23	4
24	6
25	2
26	4
27	7
28	4
29	7
30	5
31	8
32	2
33	6
34	10
35	5
36	12
37	7
38	7
39	10
40	2
41	12
42	7
43	13
44	8
45	14
46	6
47	18
48	10
49	13
50	13
51	2
52	17
53	8
54	12
55	23
56	11
57	20
58	7
59	25
60	12
61	20
62	16
63	3
64	26
65	11
66	22
67	34
68	14
69	22
70	25
71	8
72	26
73	28
74	35
75	16
76	30
77	39
78	21
79	15
80	3
81	35
82	14
83	39