A247793 - cp's OEIS frontend

A247793 Least integer m > 0 such that pi(m*n) divides prime(m) + prime(n), where pi(x) denotes the number of primes not exceeding x.

n	a(n)
1	2
2	1
3	75
4	10
5	18
6	1
7	75
8	41
9	58
10	2
11	94
12	107
13	14
14	13
15	2
16	14
17	14
18	1
19	84
20	527
21	124
22	715
23	13
24	4
25	1
26	4
27	276
28	310
29	2
30	4
31	11216
32	3074
33	3470
34	14
35	2
36	15
37	5
38	947
39	538839
40	2
41	8
42	2
43	1592
44	4
45	8
46	16813
47	2293
48	1
49	2755
50	3007
51	3272
52	32203
53	5357440
54	6
55	17
56	17
57	374252
58	9
59	17
60	6905

[2, 1, 75, 10, 18, 1, 75, 41, 58, 2, 94, 107, 14, 13, 2, 14, 14, 1, 84, 527, 124, 715, 13, 4, 1, 4, 276, 310, 2, 4, 11216, 3074, 3470, 14, 2, 15, 5, 947, 538839, 2, 8, 2, 1592, 4, 8, 16813, 2293, 1, 2755, 3007, 3272, 32203, 5357440, 6, 17, 17, 374252, 9, 17, 6905]

cp's OEIS Frontend

A247793 Least integer m > 0 such that pi(m*n) divides prime(m) + prime(n), where pi(x) denotes the number of primes not exceeding x.

Table of values

List of values