This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A180545 #10 Oct 30 2023 11:15:03
%S A180545 13,19,23,29,37,53,59,73,79,83,89,97,103,109,131,137,139,173,179,191,
%T A180545 193,197,223,229,239,263,269,293,307,311,313,331,337,347,359,367,389,
%U A180545 397,431,433,443,449,491,499,503,509,563,569,613,619,631,653,659,691
%N A180545 Primes that become a different prime under the mapping 3 <=> 9.
%H A180545 Robert Price, <a href="/A180545/b180545.txt">Table of n, a(n) for n = 1..5189</a>
%H A180545 <a href="/index/Pri#primes">Index to Primes</a>, Primes that become a different prime under some mapping.
%t A180545 fQ[n_] := Block[{id = IntegerDigits@n}, (MemberQ[id, 3] || MemberQ[id, 9]) && PrimeQ[ FromDigits[ id /. {3 -> 9, 9 -> 3}] ]]; Select[ Prime@ Range@ 130, fQ]
%Y A180545 Cf. A171052, A175791, A180517 thru A180559, A175789, A180560, A180561.
%K A180545 base,nonn
%O A180545 1,1
%A A180545 _Zak Seidov_ and _Robert G. Wilson v_, Sep 09 2010