A153326 - cp's OEIS frontend

A153326 Composite numbers k such that k+1+d is prime for all nontrivial divisors d which divide k.

n	a(n)
1	4
2	8
3	9
4	25
5	27
6	35
7	39
8	55
9	65
10	119
11	125
12	185
13	203
14	219
15	235
16	237
17	289
18	305
19	319
20	341
21	415
22	417
23	437
24	515
25	535
26	597
27	649
28	655
29	671
30	685
31	749
32	755
33	905
34	935
35	959
36	979
37	989
38	1003
39	1043
40	1079
41	1111
42	1119
43	1165
44	1227
45	1247
46	1285
47	1299
48	1315
49	1343
50	1355
51	1465
52	1469
53	1565
54	1649
55	1681
56	1735
57	1739
58	1829

[4, 8, 9, 25, 27, 35, 39, 55, 65, 119, 125, 185, 203, 219, 235, 237, 289, 305, 319, 341, 415, 417, 437, 515, 535, 597, 649, 655, 671, 685, 749, 755, 905, 935, 959, 979, 989, 1003, 1043, 1079, 1111, 1119, 1165, 1227, 1247, 1285, 1299, 1315, 1343, 1355, 1465, 1469, 1565, 1649, 1681, 1735, 1739, 1829]

cp's OEIS Frontend

A153326 Composite numbers k such that k+1+d is prime for all nontrivial divisors d which divide k.

Table of values

List of values