A115698 - cp's OEIS frontend

A115698 Semiprimes (A001358) whose digit reversal is the product of 2 palindromes greater than 1.

n	a(n)
1	4
2	6
3	9
4	21
5	22
6	33
7	46
8	51
9	55
10	65
11	77
12	82
13	94
14	121
15	202
16	203
17	253
18	262
19	303
20	393
21	407
22	427
23	445
24	446
25	451
26	485
27	505
28	559
29	583
30	626
31	667
32	669
33	671
34	687
35	707
36	789
37	803
38	849
39	869
40	889
41	939
42	1042
43	1111
44	1441
45	1622
46	1661
47	1991
48	2031
49	2123
50	2157
51	2173
52	2321

[4, 6, 9, 21, 22, 33, 46, 51, 55, 65, 77, 82, 94, 121, 202, 203, 253, 262, 303, 393, 407, 427, 445, 446, 451, 485, 505, 559, 583, 626, 667, 669, 671, 687, 707, 789, 803, 849, 869, 889, 939, 1042, 1111, 1441, 1622, 1661, 1991, 2031, 2123, 2157, 2173, 2321]

cp's OEIS Frontend

A115698 Semiprimes (A001358) whose digit reversal is the product of 2 palindromes greater than 1.

Table of values

List of values