A205547 - cp's OEIS frontend

A205547 The number j such that 3 divides prime(k)-prime(j), where k(n)=A205560(n).

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

[1, 1, 3, 4, 1, 3, 5, 4, 6, 1, 3, 5, 7, 1, 3, 5, 7, 9, 4, 6, 8, 4, 6, 8, 11, 1, 3, 5, 7, 9, 10, 4, 6, 8, 11, 12, 1, 3, 5, 7, 9, 10, 13, 1, 3, 5, 7, 9, 10, 13, 15, 1, 3, 5, 7, 9, 10, 13, 15, 16, 4, 6, 8, 11, 12, 14, 4, 6, 8, 11, 12, 14, 18, 1, 3, 5, 7, 9, 10, 13]

cp's OEIS Frontend

A205547 The number j such that 3 divides prime(k)-prime(j), where k(n)=A205560(n).

Table of values

List of values

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

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

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