A076277 - cp's OEIS frontend

A076277 Number of product signs needed to write all the factorizations of n with all factors > 1.

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

[0, 0, 0, 1, 0, 1, 0, 3, 1, 1, 0, 4, 0, 1, 1, 7, 0, 4, 0, 4, 1, 1, 0, 10, 1, 1, 3, 4, 0, 5, 0, 13, 1, 1, 1, 13, 0, 1, 1, 10, 0, 5, 0, 4, 4, 1, 0, 22, 1, 4, 1, 4, 0, 10, 1, 10, 1, 1, 0, 16, 0, 1, 4, 24, 1, 5, 0, 4, 1, 5, 0, 30, 0, 1, 4, 4, 1, 5, 0, 22, 7, 1, 0, 16, 1, 1, 1, 10, 0, 16, 1, 4, 1, 1, 1, 42, 0]

cp's OEIS Frontend

A076277 Number of product signs needed to write all the factorizations of n with all factors > 1.

Table of values

List of values

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

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

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