A039993 - cp's OEIS frontend

A039993 Number of different primes embedded in n.

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

[0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 3, 1, 1, 1, 3, 0, 1, 1, 1, 1, 3, 1, 2, 1, 2, 1, 2, 1, 3, 3, 1, 2, 3, 1, 4, 2, 1, 0, 1, 1, 2, 0, 1, 0, 2, 0, 0, 1, 1, 2, 3, 1, 1, 1, 2, 1, 2, 0, 1, 1, 1, 0, 1, 0, 2, 0, 0, 1, 3, 2, 4, 2, 2, 2, 1, 1, 3, 0, 0, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 2, 1, 0, 2, 0, 3, 1, 0, 0, 2, 1, 4, 2, 1]

cp's OEIS Frontend

A039993 Number of different primes embedded in n.

Table of values

List of values

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

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

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