A050702 - cp's OEIS frontend

A050702 Nonprime numbers n such that n and n-reversed (<>n and no leading zeros) have the same number of prime factors and these prime factors (palindromes allowed here) are also reversals of each other.

n	a(n)
1	26
2	39
3	62
4	93
5	143
6	169
7	187
8	226
9	286
10	339
11	341
12	622
13	682
14	781
15	933
16	961
17	1089
18	1177
19	1243
20	1313
21	1469
22	1573
23	1717
24	2042
25	2062
26	2066
27	2178
28	2206
29	2402
30	2426
31	2446
32	2462
33	2486
34	2602
35	2626
36	2642
37	3063
38	3093
39	3099
40	3131
41	3309
42	3421
43	3603
44	3639
45	3669
46	3693
47	3737
48	3751
49	3903
50	3939
51	3963
52	4084

[26, 39, 62, 93, 143, 169, 187, 226, 286, 339, 341, 622, 682, 781, 933, 961, 1089, 1177, 1243, 1313, 1469, 1573, 1717, 2042, 2062, 2066, 2178, 2206, 2402, 2426, 2446, 2462, 2486, 2602, 2626, 2642, 3063, 3093, 3099, 3131, 3309, 3421, 3603, 3639, 3669, 3693, 3737, 3751, 3903, 3939, 3963, 4084]

cp's OEIS Frontend

A050702 Nonprime numbers n such that n and n-reversed (<>n and no leading zeros) have the same number of prime factors and these prime factors (palindromes allowed here) are also reversals of each other.

Table of values

List of values