A373880 - cp's OEIS frontend

A373880 Number of k in the range s(1), ..., s(n-2) such that gcd(k, s(n)) > 1, where s = A373390.

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	3
9	1
10	7
11	1
12	7
13	6
14	6
15	3
16	11
17	7
18	12
19	4
20	13
21	7
22	10
23	8
24	1
25	1
26	17
27	8
28	14
29	13
30	17
31	17
32	14
33	12
34	15
35	1
36	1
37	29
38	10
39	19
40	16
41	24
42	21
43	23
44	13
45	31
46	14
47	36
48	15
49	22
50	28
51	1
52	35
53	13
54	34
55	22
56	29
57	21
58	33
59	22
60	27
61	1
62	1
63	43
64	18
65	31
66	26
67	30
68	30
69	34
70	45
71	32
72	32
73	1
74	60
75	17
76	56
77	18
78	54
79	8
80	56
81	33

[0, 0, 0, 1, 1, 2, 2, 3, 1, 7, 1, 7, 6, 6, 3, 11, 7, 12, 4, 13, 7, 10, 8, 1, 1, 17, 8, 14, 13, 17, 17, 14, 12, 15, 1, 1, 29, 10, 19, 16, 24, 21, 23, 13, 31, 14, 36, 15, 22, 28, 1, 35, 13, 34, 22, 29, 21, 33, 22, 27, 1, 1, 43, 18, 31, 26, 30, 30, 34, 45, 32, 32, 1, 60, 17, 56, 18, 54, 8, 56, 33]

cp's OEIS Frontend

A373880 Number of k in the range s(1), ..., s(n-2) such that gcd(k, s(n)) > 1, where s = A373390.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	3
9	1
10	7
11	1
12	7
13	6
14	6
15	3
16	11
17	7
18	12
19	4
20	13
21	7
22	10
23	8
24	1
25	1
26	17
27	8
28	14
29	13
30	17
31	17
32	14
33	12
34	15
35	1
36	1
37	29
38	10
39	19
40	16
41	24
42	21
43	23
44	13
45	31
46	14
47	36
48	15
49	22
50	28
51	1
52	35
53	13
54	34
55	22
56	29
57	21
58	33
59	22
60	27
61	1
62	1
63	43
64	18
65	31
66	26
67	30
68	30
69	34
70	45
71	32
72	32
73	1
74	60
75	17
76	56
77	18
78	54
79	8
80	56
81	33

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	3
9	1
10	7
11	1
12	7
13	6
14	6
15	3
16	11
17	7
18	12
19	4
20	13
21	7
22	10
23	8
24	1
25	1
26	17
27	8
28	14
29	13
30	17
31	17
32	14
33	12
34	15
35	1
36	1
37	29
38	10
39	19
40	16
41	24
42	21
43	23
44	13
45	31
46	14
47	36
48	15
49	22
50	28
51	1
52	35
53	13
54	34
55	22
56	29
57	21
58	33
59	22
60	27
61	1
62	1
63	43
64	18
65	31
66	26
67	30
68	30
69	34
70	45
71	32
72	32
73	1
74	60
75	17
76	56
77	18
78	54
79	8
80	56
81	33

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	3
9	1
10	7
11	1
12	7
13	6
14	6
15	3
16	11
17	7
18	12
19	4
20	13
21	7
22	10
23	8
24	1
25	1
26	17
27	8
28	14
29	13
30	17
31	17
32	14
33	12
34	15
35	1
36	1
37	29
38	10
39	19
40	16
41	24
42	21
43	23
44	13
45	31
46	14
47	36
48	15
49	22
50	28
51	1
52	35
53	13
54	34
55	22
56	29
57	21
58	33
59	22
60	27
61	1
62	1
63	43
64	18
65	31
66	26
67	30
68	30
69	34
70	45
71	32
72	32
73	1
74	60
75	17
76	56
77	18
78	54
79	8
80	56
81	33