A368208 - cp's OEIS frontend

A368208 a(n) is the least k such that, if p is the greatest prime less than k, there is a prime between np and nk, but for 1 < j < n there is no prime between jp and jk.

n	a(n)
2	3
3	8
4	32
5	62
6	138
7	212
8	464
9	1610
10	4458
11	1952
12	13004
13	44742
14	22778
15	242814
16	512718
17	360198
18	2366654
19	1529030
20	5532422
21	13883834
22	15516014
23	51393768
24	210568010
25	271767438
26	299891114
27	758345724
28	1204130100
29	1363350560
30	5171802930

[3, 8, 32, 62, 138, 212, 464, 1610, 4458, 1952, 13004, 44742, 22778, 242814, 512718, 360198, 2366654, 1529030, 5532422, 13883834, 15516014, 51393768, 210568010, 271767438, 299891114, 758345724, 1204130100, 1363350560, 5171802930]

cp's OEIS Frontend

A368208 a(n) is the least k such that, if p is the greatest prime less than k, there is a prime between np and nk, but for 1 < j < n there is no prime between jp and jk.

Table of values

List of values

cp's OEIS Frontend

A368208 a(n) is the least k such that, if p is the greatest prime less than k, there is a prime between n*p and n*k, but for 1 < j < n there is no prime between j*p and j*k.

Table of values

List of values

A368208 a(n) is the least k such that, if p is the greatest prime less than k, there is a prime between np and nk, but for 1 < j < n there is no prime between jp and jk.