A355849 - cp's OEIS frontend

A355849 a(n) is the least k > 1 such that k*n is the average of two consecutive primes.

n	a(n)
1	4
2	2
3	2
4	3
5	3
6	2
7	3
8	7
9	2
10	3
11	9
12	5
13	2
14	3
15	2
16	4
17	2
18	4
19	4
20	3
21	2
22	7
23	3
24	3
25	2
26	10
27	3
28	2
29	12
30	2
31	3
32	2
33	3
34	3
35	3
36	2
37	3
38	2
39	5
40	3
41	5
42	10
43	2
44	4
45	4
46	3
47	6
48	3
49	9
50	3
51	2
52	5
53	12
54	2
55	3
56	10
57	4
58	6
59	4
60	2
61	10
62	3
63	5
64	3
65	3
66	3
67	2
68	8
69	2
70	6
71	6
72	2
73	10
74	5
75	2
76	3
77	2
78	4
79	14
80	2
81	4
82	3
83	9
84	5
85	2
86	12
87	4
88	2
89	4
90	2
91	12
92	6
93	2
94	3
95	6
96	2

[4, 2, 2, 3, 3, 2, 3, 7, 2, 3, 9, 5, 2, 3, 2, 4, 2, 4, 4, 3, 2, 7, 3, 3, 2, 10, 3, 2, 12, 2, 3, 2, 3, 3, 3, 2, 3, 2, 5, 3, 5, 10, 2, 4, 4, 3, 6, 3, 9, 3, 2, 5, 12, 2, 3, 10, 4, 6, 4, 2, 10, 3, 5, 3, 3, 3, 2, 8, 2, 6, 6, 2, 10, 5, 2, 3, 2, 4, 14, 2, 4, 3, 9, 5, 2, 12, 4, 2, 4, 2, 12, 6, 2, 3, 6, 2]

cp's OEIS Frontend

A355849 a(n) is the least k > 1 such that k*n is the average of two consecutive primes.

Table of values

List of values

n	a(n)
1	4
2	2
3	2
4	3
5	3
6	2
7	3
8	7
9	2
10	3
11	9
12	5
13	2
14	3
15	2
16	4
17	2
18	4
19	4
20	3
21	2
22	7
23	3
24	3
25	2
26	10
27	3
28	2
29	12
30	2
31	3
32	2
33	3
34	3
35	3
36	2
37	3
38	2
39	5
40	3
41	5
42	10
43	2
44	4
45	4
46	3
47	6
48	3
49	9
50	3
51	2
52	5
53	12
54	2
55	3
56	10
57	4
58	6
59	4
60	2
61	10
62	3
63	5
64	3
65	3
66	3
67	2
68	8
69	2
70	6
71	6
72	2
73	10
74	5
75	2
76	3
77	2
78	4
79	14
80	2
81	4
82	3
83	9
84	5
85	2
86	12
87	4
88	2
89	4
90	2
91	12
92	6
93	2
94	3
95	6
96	2

n	a(n)
1	4
2	2
3	2
4	3
5	3
6	2
7	3
8	7
9	2
10	3
11	9
12	5
13	2
14	3
15	2
16	4
17	2
18	4
19	4
20	3
21	2
22	7
23	3
24	3
25	2
26	10
27	3
28	2
29	12
30	2
31	3
32	2
33	3
34	3
35	3
36	2
37	3
38	2
39	5
40	3
41	5
42	10
43	2
44	4
45	4
46	3
47	6
48	3
49	9
50	3
51	2
52	5
53	12
54	2
55	3
56	10
57	4
58	6
59	4
60	2
61	10
62	3
63	5
64	3
65	3
66	3
67	2
68	8
69	2
70	6
71	6
72	2
73	10
74	5
75	2
76	3
77	2
78	4
79	14
80	2
81	4
82	3
83	9
84	5
85	2
86	12
87	4
88	2
89	4
90	2
91	12
92	6
93	2
94	3
95	6
96	2

n	a(n)
1	4
2	2
3	2
4	3
5	3
6	2
7	3
8	7
9	2
10	3
11	9
12	5
13	2
14	3
15	2
16	4
17	2
18	4
19	4
20	3
21	2
22	7
23	3
24	3
25	2
26	10
27	3
28	2
29	12
30	2
31	3
32	2
33	3
34	3
35	3
36	2
37	3
38	2
39	5
40	3
41	5
42	10
43	2
44	4
45	4
46	3
47	6
48	3
49	9
50	3
51	2
52	5
53	12
54	2
55	3
56	10
57	4
58	6
59	4
60	2
61	10
62	3
63	5
64	3
65	3
66	3
67	2
68	8
69	2
70	6
71	6
72	2
73	10
74	5
75	2
76	3
77	2
78	4
79	14
80	2
81	4
82	3
83	9
84	5
85	2
86	12
87	4
88	2
89	4
90	2
91	12
92	6
93	2
94	3
95	6
96	2