A067289 - cp's OEIS frontend

A067289 Numbers k such that the number of divisors of k is floor(prime(k)/k).

n	a(n)
1	5
2	7
3	11
4	25
5	33
6	34
7	35
8	38
9	39
10	46
11	51
12	55
13	57
14	58
15	62
16	65
17	81
18	207
19	212
20	236
21	242
22	243
23	244
24	245
25	261
26	268
27	275
28	279
29	284
30	292
31	316
32	325
33	332
34	333
35	338
36	356
37	363
38	369
39	387
40	388
41	404
42	412
43	423
44	425
45	428
46	436
47	729
48	1065
49	1066
50	1070
51	1074
52	1085
53	1086
54	1090

[5, 7, 11, 25, 33, 34, 35, 38, 39, 46, 51, 55, 57, 58, 62, 65, 81, 207, 212, 236, 242, 243, 244, 245, 261, 268, 275, 279, 284, 292, 316, 325, 332, 333, 338, 356, 363, 369, 387, 388, 404, 412, 423, 425, 428, 436, 729, 1065, 1066, 1070, 1074, 1085, 1086, 1090]

cp's OEIS Frontend

A067289 Numbers k such that the number of divisors of k is floor(prime(k)/k).

Table of values

List of values