A285123 - cp's OEIS frontend

A285123 Min(|d(k+1-i) - d(i)|, for i = 1..k), where d(1),..,d(k) are the divisors of prime(n) - 1.

n	a(n)
1	0
2	1
3	0
4	1
5	3
6	1
7	0
8	3
9	9
10	3
11	1
12	0
13	3
14	1
15	21
16	9
17	27
18	4
19	5
20	3
21	1
22	7
23	39
24	3
25	4
26	0
27	11
28	51
29	3
30	6
31	5
32	3
33	9
34	17
35	33
36	5
37	1
38	9
39	81
40	39
41	87
42	3
43	9
44	4
45	0
46	7
47	1
48	31
49	111
50	7
51	21
52	3
53	1
54	15
55	0
56	129
57	63
58	3
59	11
60	6
61	41
62	69
63	1
64	21
65	11
66	75
67	7
68	5
69	171
70	17
71	6
72	177
73	55
74	19
75	3

[0, 1, 0, 1, 3, 1, 0, 3, 9, 3, 1, 0, 3, 1, 21, 9, 27, 4, 5, 3, 1, 7, 39, 3, 4, 0, 11, 51, 3, 6, 5, 3, 9, 17, 33, 5, 1, 9, 81, 39, 87, 3, 9, 4, 0, 7, 1, 31, 111, 7, 21, 3, 1, 15, 0, 129, 63, 3, 11, 6, 41, 69, 1, 21, 11, 75, 7, 5, 171, 17, 6, 177, 55, 19, 3]

cp's OEIS Frontend

A285123 Min(|d(k+1-i) - d(i)|, for i = 1..k), where d(1),..,d(k) are the divisors of prime(n) - 1.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	3
6	1
7	0
8	3
9	9
10	3
11	1
12	0
13	3
14	1
15	21
16	9
17	27
18	4
19	5
20	3
21	1
22	7
23	39
24	3
25	4
26	0
27	11
28	51
29	3
30	6
31	5
32	3
33	9
34	17
35	33
36	5
37	1
38	9
39	81
40	39
41	87
42	3
43	9
44	4
45	0
46	7
47	1
48	31
49	111
50	7
51	21
52	3
53	1
54	15
55	0
56	129
57	63
58	3
59	11
60	6
61	41
62	69
63	1
64	21
65	11
66	75
67	7
68	5
69	171
70	17
71	6
72	177
73	55
74	19
75	3

n	a(n)
1	0
2	1
3	0
4	1
5	3
6	1
7	0
8	3
9	9
10	3
11	1
12	0
13	3
14	1
15	21
16	9
17	27
18	4
19	5
20	3
21	1
22	7
23	39
24	3
25	4
26	0
27	11
28	51
29	3
30	6
31	5
32	3
33	9
34	17
35	33
36	5
37	1
38	9
39	81
40	39
41	87
42	3
43	9
44	4
45	0
46	7
47	1
48	31
49	111
50	7
51	21
52	3
53	1
54	15
55	0
56	129
57	63
58	3
59	11
60	6
61	41
62	69
63	1
64	21
65	11
66	75
67	7
68	5
69	171
70	17
71	6
72	177
73	55
74	19
75	3

n	a(n)
1	0
2	1
3	0
4	1
5	3
6	1
7	0
8	3
9	9
10	3
11	1
12	0
13	3
14	1
15	21
16	9
17	27
18	4
19	5
20	3
21	1
22	7
23	39
24	3
25	4
26	0
27	11
28	51
29	3
30	6
31	5
32	3
33	9
34	17
35	33
36	5
37	1
38	9
39	81
40	39
41	87
42	3
43	9
44	4
45	0
46	7
47	1
48	31
49	111
50	7
51	21
52	3
53	1
54	15
55	0
56	129
57	63
58	3
59	11
60	6
61	41
62	69
63	1
64	21
65	11
66	75
67	7
68	5
69	171
70	17
71	6
72	177
73	55
74	19
75	3