A276935 - cp's OEIS frontend

A276935 Number of distinct prime factors prime(k) of n such that prime(k)^k, but not prime(k)^(k+1) is a divisor of n.

n	a(n)
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	1
27	0
28	0
29	0
30	1
31	0
32	0
33	0
34	1
35	0
36	1
37	0
38	1
39	0
40	0
41	0
42	1
43	0
44	0
45	1
46	1
47	0
48	0
49	0
50	1
51	0
52	0
53	0
54	1
55	0
56	0
57	0
58	1
59	0
60	0
61	0
62	1
63	1
64	0
65	0
66	1
67	0
68	0
69	0
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	1
83	0
84	0
85	0
86	1
87	0
88	0
89	0
90	2
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	1
99	1
100	0
101	0
102	1
103	0
104	0
105	0
106	1
107	0
108	0
109	0
110	1
111	0
112	0
113	0
114	1
115	0
116	0
117	1
118	1
119	0
120	0

[0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 2, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0]

cp's OEIS Frontend

A276935 Number of distinct prime factors prime(k) of n such that prime(k)^k, but not prime(k)^(k+1) is a divisor of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	1
27	0
28	0
29	0
30	1
31	0
32	0
33	0
34	1
35	0
36	1
37	0
38	1
39	0
40	0
41	0
42	1
43	0
44	0
45	1
46	1
47	0
48	0
49	0
50	1
51	0
52	0
53	0
54	1
55	0
56	0
57	0
58	1
59	0
60	0
61	0
62	1
63	1
64	0
65	0
66	1
67	0
68	0
69	0
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	1
83	0
84	0
85	0
86	1
87	0
88	0
89	0
90	2
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	1
99	1
100	0
101	0
102	1
103	0
104	0
105	0
106	1
107	0
108	0
109	0
110	1
111	0
112	0
113	0
114	1
115	0
116	0
117	1
118	1
119	0
120	0

n	a(n)
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	1
27	0
28	0
29	0
30	1
31	0
32	0
33	0
34	1
35	0
36	1
37	0
38	1
39	0
40	0
41	0
42	1
43	0
44	0
45	1
46	1
47	0
48	0
49	0
50	1
51	0
52	0
53	0
54	1
55	0
56	0
57	0
58	1
59	0
60	0
61	0
62	1
63	1
64	0
65	0
66	1
67	0
68	0
69	0
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	1
83	0
84	0
85	0
86	1
87	0
88	0
89	0
90	2
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	1
99	1
100	0
101	0
102	1
103	0
104	0
105	0
106	1
107	0
108	0
109	0
110	1
111	0
112	0
113	0
114	1
115	0
116	0
117	1
118	1
119	0
120	0

n	a(n)
1	0
2	1
3	0
4	0
5	0
6	1
7	0
8	0
9	1
10	1
11	0
12	0
13	0
14	1
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	1
23	0
24	0
25	0
26	1
27	0
28	0
29	0
30	1
31	0
32	0
33	0
34	1
35	0
36	1
37	0
38	1
39	0
40	0
41	0
42	1
43	0
44	0
45	1
46	1
47	0
48	0
49	0
50	1
51	0
52	0
53	0
54	1
55	0
56	0
57	0
58	1
59	0
60	0
61	0
62	1
63	1
64	0
65	0
66	1
67	0
68	0
69	0
70	1
71	0
72	1
73	0
74	1
75	0
76	0
77	0
78	1
79	0
80	0
81	0
82	1
83	0
84	0
85	0
86	1
87	0
88	0
89	0
90	2
91	0
92	0
93	0
94	1
95	0
96	0
97	0
98	1
99	1
100	0
101	0
102	1
103	0
104	0
105	0
106	1
107	0
108	0
109	0
110	1
111	0
112	0
113	0
114	1
115	0
116	0
117	1
118	1
119	0
120	0