A277322 - cp's OEIS frontend

A277322 a(n) = number of irreducible polynomial factors (counted with multiplicity) in the polynomial (with nonnegative integral coefficients) constructed from the prime factorization of n.

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	1
10	1
11	4
12	1
13	5
14	2
15	2
16	0
17	6
18	1
19	7
20	1
21	2
22	1
23	8
24	1
25	2
26	2
27	1
28	1
29	9
30	1
31	10
32	0
33	3
34	2
35	3
36	1
37	11
38	2
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	3
52	1
53	15
54	1
55	3
56	1
57	3
58	3
59	16
60	1
61	17
62	2
63	2
64	0
65	4
66	1
67	18
68	1
69	3
70	1
71	19
72	1
73	20
74	2
75	2
76	1
77	4
78	2
79	21
80	1
81	1
82	2
83	22
84	2
85	3
86	2
87	2
88	1
89	23
90	2
91	4
92	1
93	4
94	2
95	4
96	1
97	24
98	1
99	2
100	1
101	25
102	1
103	26
104	1
105	2

[0, 0, 1, 0, 2, 1, 3, 0, 1, 1, 4, 1, 5, 2, 2, 0, 6, 1, 7, 1, 2, 1, 8, 1, 2, 2, 1, 1, 9, 1, 10, 0, 3, 2, 3, 1, 11, 2, 2, 1, 12, 1, 13, 1, 2, 1, 14, 1, 3, 1, 3, 1, 15, 1, 3, 1, 3, 3, 16, 1, 17, 2, 2, 0, 4, 1, 18, 1, 3, 1, 19, 1, 20, 2, 2, 1, 4, 2, 21, 1, 1, 2, 22, 2, 3, 2, 2, 1, 23, 2, 4, 1, 4, 2, 4, 1, 24, 1, 2, 1, 25, 1, 26, 1, 2]

cp's OEIS Frontend

A277322 a(n) = number of irreducible polynomial factors (counted with multiplicity) in the polynomial (with nonnegative integral coefficients) constructed from the prime factorization of n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	1
10	1
11	4
12	1
13	5
14	2
15	2
16	0
17	6
18	1
19	7
20	1
21	2
22	1
23	8
24	1
25	2
26	2
27	1
28	1
29	9
30	1
31	10
32	0
33	3
34	2
35	3
36	1
37	11
38	2
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	3
52	1
53	15
54	1
55	3
56	1
57	3
58	3
59	16
60	1
61	17
62	2
63	2
64	0
65	4
66	1
67	18
68	1
69	3
70	1
71	19
72	1
73	20
74	2
75	2
76	1
77	4
78	2
79	21
80	1
81	1
82	2
83	22
84	2
85	3
86	2
87	2
88	1
89	23
90	2
91	4
92	1
93	4
94	2
95	4
96	1
97	24
98	1
99	2
100	1
101	25
102	1
103	26
104	1
105	2

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	1
10	1
11	4
12	1
13	5
14	2
15	2
16	0
17	6
18	1
19	7
20	1
21	2
22	1
23	8
24	1
25	2
26	2
27	1
28	1
29	9
30	1
31	10
32	0
33	3
34	2
35	3
36	1
37	11
38	2
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	3
52	1
53	15
54	1
55	3
56	1
57	3
58	3
59	16
60	1
61	17
62	2
63	2
64	0
65	4
66	1
67	18
68	1
69	3
70	1
71	19
72	1
73	20
74	2
75	2
76	1
77	4
78	2
79	21
80	1
81	1
82	2
83	22
84	2
85	3
86	2
87	2
88	1
89	23
90	2
91	4
92	1
93	4
94	2
95	4
96	1
97	24
98	1
99	2
100	1
101	25
102	1
103	26
104	1
105	2

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	1
10	1
11	4
12	1
13	5
14	2
15	2
16	0
17	6
18	1
19	7
20	1
21	2
22	1
23	8
24	1
25	2
26	2
27	1
28	1
29	9
30	1
31	10
32	0
33	3
34	2
35	3
36	1
37	11
38	2
39	2
40	1
41	12
42	1
43	13
44	1
45	2
46	1
47	14
48	1
49	3
50	1
51	3
52	1
53	15
54	1
55	3
56	1
57	3
58	3
59	16
60	1
61	17
62	2
63	2
64	0
65	4
66	1
67	18
68	1
69	3
70	1
71	19
72	1
73	20
74	2
75	2
76	1
77	4
78	2
79	21
80	1
81	1
82	2
83	22
84	2
85	3
86	2
87	2
88	1
89	23
90	2
91	4
92	1
93	4
94	2
95	4
96	1
97	24
98	1
99	2
100	1
101	25
102	1
103	26
104	1
105	2