A373731 - cp's OEIS frontend

A373731 Semiprimes k such that the digit reversal of k is a semiprime > k.

n	a(n)
1	15
2	26
3	39
4	49
5	58
6	115
7	122
8	123
9	129
10	143
11	155
12	158
13	159
14	169
15	177
16	178
17	183
18	185
19	187
20	203
21	205
22	226
23	265
24	289
25	314
26	319
27	326
28	327
29	329
30	335
31	339
32	355
33	394
34	398
35	415
36	437
37	497
38	538
39	559
40	586
41	589
42	629
43	667
44	718
45	899
46	1006
47	1011
48	1027
49	1041
50	1043
51	1046
52	1047
53	1057
54	1059
55	1067
56	1079
57	1115
58	1119

[15, 26, 39, 49, 58, 115, 122, 123, 129, 143, 155, 158, 159, 169, 177, 178, 183, 185, 187, 203, 205, 226, 265, 289, 314, 319, 326, 327, 329, 335, 339, 355, 394, 398, 415, 437, 497, 538, 559, 586, 589, 629, 667, 718, 899, 1006, 1011, 1027, 1041, 1043, 1046, 1047, 1057, 1059, 1067, 1079, 1115, 1119]

cp's OEIS Frontend

A373731 Semiprimes k such that the digit reversal of k is a semiprime > k.

Table of values

List of values