A172017 - cp's OEIS frontend

A172017 Twin semiprimes: nonprimes of the form 6k-+1 where 6k-+1 are both semiprime.

n	a(n)
1	119
2	121
3	143
4	145
5	185
6	187
7	203
8	205
9	215
10	217
11	287
12	289
13	299
14	301
15	413
16	415
17	515
18	517
19	527
20	529
21	533
22	535
23	551
24	553
25	581
26	583
27	695
28	697
29	779
30	781
31	791
32	793
33	815
34	817
35	869
36	871
37	893
38	895
39	899
40	901
41	959
42	961
43	1055
44	1057
45	1079
46	1081
47	1133
48	1135
49	1139

[119, 121, 143, 145, 185, 187, 203, 205, 215, 217, 287, 289, 299, 301, 413, 415, 515, 517, 527, 529, 533, 535, 551, 553, 581, 583, 695, 697, 779, 781, 791, 793, 815, 817, 869, 871, 893, 895, 899, 901, 959, 961, 1055, 1057, 1079, 1081, 1133, 1135, 1139]

cp's OEIS Frontend

A172017 Twin semiprimes: nonprimes of the form 6k-+1 where 6k-+1 are both semiprime.

Table of values

List of values

cp's OEIS Frontend

A172017 Twin semiprimes: nonprimes of the form 6*k-+1 where 6*k-+1 are both semiprime.

Table of values

List of values

A172017 Twin semiprimes: nonprimes of the form 6k-+1 where 6k-+1 are both semiprime.