A321046 - cp's OEIS frontend

A321046 Semiprimes for which the concatenation of the digits in the even positions and the concatenation of the digits in the odd positions are semiprimes.

n	a(n)
1	46
2	49
3	69
4	94
5	145
6	194
7	262
8	265
9	291
10	295
11	365
12	393
13	394
14	395
15	398
16	446
17	466
18	469
19	545
20	565
21	591
22	597
23	649
24	662
25	669
26	695
27	699
28	767
29	794
30	842
31	862
32	865
33	866
34	895
35	943
36	961
37	965
38	993
39	995
40	1006
41	1046
42	1059
43	1145
44	1154
45	1202
46	1205
47	1241
48	1255
49	1343
50	1345
51	1349
52	1354
53	1355
54	1501
55	1507
56	1541
57	1555
58	1642
59	1649
60	1655

[46, 49, 69, 94, 145, 194, 262, 265, 291, 295, 365, 393, 394, 395, 398, 446, 466, 469, 545, 565, 591, 597, 649, 662, 669, 695, 699, 767, 794, 842, 862, 865, 866, 895, 943, 961, 965, 993, 995, 1006, 1046, 1059, 1145, 1154, 1202, 1205, 1241, 1255, 1343, 1345, 1349, 1354, 1355, 1501, 1507, 1541, 1555, 1642, 1649, 1655]

cp's OEIS Frontend

A321046 Semiprimes for which the concatenation of the digits in the even positions and the concatenation of the digits in the odd positions are semiprimes.

Table of values

List of values