A368549 - cp's OEIS frontend

A368549 a(n) is the least k such that the greatest prime less than n*k is less than n times the greatest prime < k.

n	a(n)
2	8
3	12
4	24
5	24
6	20
7	18
8	38
9	14
10	54
11	30
12	138
13	98
14	152
15	90
16	84
17	80
18	240
19	504
20	68
21	200
22	354
23	854
24	224
25	1020
26	230
27	180
28	510
29	542
30	524
31	522
32	368
33	968
34	578
35	1098
36	1130
37	3462
38	744
39	504
40	1218
41	1988
42	468
43	938
44	812
45	758
46	684
47	4002
48	2592
49	642
50	3120
51	4458
52	2958
53	3272
54	4920
55	572
56	5060
57	3300
58	14490
59	3188
60	6012

[8, 12, 24, 24, 20, 18, 38, 14, 54, 30, 138, 98, 152, 90, 84, 80, 240, 504, 68, 200, 354, 854, 224, 1020, 230, 180, 510, 542, 524, 522, 368, 968, 578, 1098, 1130, 3462, 744, 504, 1218, 1988, 468, 938, 812, 758, 684, 4002, 2592, 642, 3120, 4458, 2958, 3272, 4920, 572, 5060, 3300, 14490, 3188, 6012]

cp's OEIS Frontend

A368549 a(n) is the least k such that the greatest prime less than n*k is less than n times the greatest prime < k.

Table of values

List of values