A281116 - cp's OEIS frontend

A281116 Number of factorizations of n>=2 into factors greater than 1 with no common divisor other than 1 (a(1)=0 by convention).

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	1
15	1
16	0
17	0
18	2
19	0
20	2
21	1
22	1
23	0
24	3
25	0
26	1
27	0
28	2
29	0
30	4
31	0
32	0
33	1
34	1
35	1
36	5
37	0
38	1
39	1
40	3
41	0
42	4
43	0
44	2
45	2
46	1
47	0
48	5
49	0
50	2
51	1
52	2
53	0
54	3
55	1
56	3
57	1
58	1
59	0
60	8
61	0
62	1
63	2
64	0
65	1
66	4
67	0
68	2
69	1
70	4
71	0
72	9
73	0
74	1
75	2
76	2
77	1
78	4
79	0
80	5
81	0
82	1
83	0
84	8
85	1
86	1
87	1
88	3
89	0
90	8
91	1
92	2
93	1
94	1
95	1
96	7
97	0
98	2
99	2
100	5

[0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 2, 0, 1, 1, 0, 0, 2, 0, 2, 1, 1, 0, 3, 0, 1, 0, 2, 0, 4, 0, 0, 1, 1, 1, 5, 0, 1, 1, 3, 0, 4, 0, 2, 2, 1, 0, 5, 0, 2, 1, 2, 0, 3, 1, 3, 1, 1, 0, 8, 0, 1, 2, 0, 1, 4, 0, 2, 1, 4, 0, 9, 0, 1, 2, 2, 1, 4, 0, 5, 0, 1, 0, 8, 1, 1, 1, 3, 0, 8, 1, 2, 1, 1, 1, 7, 0, 2, 2, 5]

cp's OEIS Frontend

A281116 Number of factorizations of n>=2 into factors greater than 1 with no common divisor other than 1 (a(1)=0 by convention).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	1
15	1
16	0
17	0
18	2
19	0
20	2
21	1
22	1
23	0
24	3
25	0
26	1
27	0
28	2
29	0
30	4
31	0
32	0
33	1
34	1
35	1
36	5
37	0
38	1
39	1
40	3
41	0
42	4
43	0
44	2
45	2
46	1
47	0
48	5
49	0
50	2
51	1
52	2
53	0
54	3
55	1
56	3
57	1
58	1
59	0
60	8
61	0
62	1
63	2
64	0
65	1
66	4
67	0
68	2
69	1
70	4
71	0
72	9
73	0
74	1
75	2
76	2
77	1
78	4
79	0
80	5
81	0
82	1
83	0
84	8
85	1
86	1
87	1
88	3
89	0
90	8
91	1
92	2
93	1
94	1
95	1
96	7
97	0
98	2
99	2
100	5

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	1
15	1
16	0
17	0
18	2
19	0
20	2
21	1
22	1
23	0
24	3
25	0
26	1
27	0
28	2
29	0
30	4
31	0
32	0
33	1
34	1
35	1
36	5
37	0
38	1
39	1
40	3
41	0
42	4
43	0
44	2
45	2
46	1
47	0
48	5
49	0
50	2
51	1
52	2
53	0
54	3
55	1
56	3
57	1
58	1
59	0
60	8
61	0
62	1
63	2
64	0
65	1
66	4
67	0
68	2
69	1
70	4
71	0
72	9
73	0
74	1
75	2
76	2
77	1
78	4
79	0
80	5
81	0
82	1
83	0
84	8
85	1
86	1
87	1
88	3
89	0
90	8
91	1
92	2
93	1
94	1
95	1
96	7
97	0
98	2
99	2
100	5

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	1
7	0
8	0
9	0
10	1
11	0
12	2
13	0
14	1
15	1
16	0
17	0
18	2
19	0
20	2
21	1
22	1
23	0
24	3
25	0
26	1
27	0
28	2
29	0
30	4
31	0
32	0
33	1
34	1
35	1
36	5
37	0
38	1
39	1
40	3
41	0
42	4
43	0
44	2
45	2
46	1
47	0
48	5
49	0
50	2
51	1
52	2
53	0
54	3
55	1
56	3
57	1
58	1
59	0
60	8
61	0
62	1
63	2
64	0
65	1
66	4
67	0
68	2
69	1
70	4
71	0
72	9
73	0
74	1
75	2
76	2
77	1
78	4
79	0
80	5
81	0
82	1
83	0
84	8
85	1
86	1
87	1
88	3
89	0
90	8
91	1
92	2
93	1
94	1
95	1
96	7
97	0
98	2
99	2
100	5