A100348 - cp's OEIS frontend

A100348 Numbers n such that n-4^k is a prime for all k > 0 with 4^k < n.

n	a(n)
1	6
2	7
3	9
4	11
5	15
6	21
7	23
8	27
9	33
10	35
11	45
12	47
13	57
14	63
15	75
16	77
17	83
18	87
19	105
20	117
21	143
22	153
23	167
24	195
25	215
26	227
27	243
28	245
29	255
30	287
31	297
32	413
33	437
34	447
35	483
36	495
37	507
38	525
39	573
40	635
41	657
42	677
43	755
44	825
45	1113
46	1133
47	1295
48	1487
49	1515
50	1547
51	1617
52	1623
53	2015
54	2043
55	2397

[6, 7, 9, 11, 15, 21, 23, 27, 33, 35, 45, 47, 57, 63, 75, 77, 83, 87, 105, 117, 143, 153, 167, 195, 215, 227, 243, 245, 255, 287, 297, 413, 437, 447, 483, 495, 507, 525, 573, 635, 657, 677, 755, 825, 1113, 1133, 1295, 1487, 1515, 1547, 1617, 1623, 2015, 2043, 2397]

cp's OEIS Frontend

A100348 Numbers n such that n-4^k is a prime for all k > 0 with 4^k < n.

Table of values

List of values