A205146 - cp's OEIS frontend

A205146 Least k such that n divides s(k)-s(j) for some j satisfying 1<=j where s(j)=prime(j)*prime(j+1).

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

[2, 3, 2, 3, 3, 4, 4, 5, 2, 3, 5, 5, 6, 4, 7, 5, 7, 5, 8, 3, 4, 5, 9, 6, 12, 6, 5, 7, 3, 7, 4, 5, 5, 7, 15, 5, 12, 8, 6, 8, 7, 4, 6, 7, 7, 9, 10, 6, 8, 12, 7, 10, 16, 5, 16, 13, 8, 10, 9, 7, 16, 4, 10, 5, 14, 5, 8, 10, 20, 16, 4, 6, 18, 12, 14, 13, 7, 6, 9, 11]

cp's OEIS Frontend

A205146 Least k such that n divides s(k)-s(j) for some j satisfying 1<=j where s(j)=prime(j)*prime(j+1).

Table of values

List of values

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

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

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