A343715 Palindromic primes of the form p//q//reverse(p), where p, q, and reverse(p) are primes.
353, 373, 727, 757, 11311, 13331, 31013, 31513, 33533, 37273, 37573, 39293, 71317, 71917, 73237, 77977, 79397, 97379, 97579, 1175711, 1178711, 1317131, 1335331, 1338331, 1513151, 1572751, 1737371, 1793971, 1917191, 1993991, 1995991, 3103013, 3106013, 3127213
Offset: 1
Examples
353 is a term because it is a palindromic prime (A002385) and is the concatenation of 3 (a prime), 5 (a palindromic prime), and 3 (the reverse of 3, and also a prime). 31513 is a term in two ways: as the concatenation 3//151//3 and as the concatenation 31//5//13. 7392937 is a term in three ways: 7//39293//7, 73//929//37, and 739//2//937.
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