%I #8 Jul 03 2022 09:35:10

%S 3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,67,71,73,79,83,89,97,

%T 101,103,107,109,113,127,131,137,139,149,151,157,163,167,173,179,181,

%U 191,193,197,199,223,227,229,233,239,241,251,257,263,269,281,293,307,311,313

%N Primes whose reversal + 1 is not a prime.

%C Complement of A167215.

%H Vincenzo Librandi, <a href="/A245072/b245072.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[700]], ! PrimeQ[FromDigits[Reverse[IntegerDigits[#]]] + 1] &]

%o (Magma) [p: p in PrimesInInterval(2, 400) |not IsPrime(q+1) where q is Seqint(Reverse(Intseq(p)))];

%Y Cf. A167215.

%K nonn,base

%O 1,1

%A _Vincenzo Librandi_, Jul 11 2014