A378899 - cp's OEIS frontend

A378899 Number of primes between successive powerful numbers k that are not prime powers (i.e., k in A286708).

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

[11, 9, 5, 3, 6, 10, 2, 1, 1, 13, 5, 11, 1, 5, 2, 7, 3, 10, 13, 4, 0, 15, 2, 11, 4, 9, 1, 4, 13, 7, 2, 1, 9, 10, 6, 1, 2, 9, 12, 7, 4, 18, 5, 4, 17, 0, 8, 3, 13, 23, 2, 23, 10, 1, 15, 0, 7, 18, 3, 13, 7, 4, 7, 5, 4, 13, 2, 6, 10, 11, 29, 4, 2, 11, 1, 28, 2, 14]

cp's OEIS Frontend

A378899 Number of primes between successive powerful numbers k that are not prime powers (i.e., k in A286708).

Table of values

List of values

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

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

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