A378614 - cp's OEIS frontend

A378614 Number of composite numbers (A002808) between consecutive perfect powers (A001597), exclusive.

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

[0, 1, 0, 4, 5, 1, 2, 3, 8, 11, 12, 15, 15, 3, 1, 12, 19, 21, 16, 7, 12, 11, 25, 29, 16, 13, 32, 33, 35, 22, 14, 40, 39, 42, 45, 46, 47, 50, 52, 32, 19, 55, 56, 59, 60, 27, 35, 65, 64, 67, 68, 40, 30, 75, 74, 77, 19, 57, 62, 9, 9, 81, 81, 88, 89, 87, 32, 55, 94]

cp's OEIS Frontend

A378614 Number of composite numbers (A002808) between consecutive perfect powers (A001597), exclusive.

Table of values

List of values

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

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

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