%I #10 Feb 16 2025 08:33:05
%S 2,3,7,5,17,19,13,11,41,43,53,47,31,37,29,23,97,101,107,103,127,131,
%T 113,109,73,79,89,83,67,71,61,59,227,229,239,233,257,263,251,241,283,
%U 293,311,307,277,281,271,269,179,181,193,191,211,223,199,197,157,163,173
%N Gray code ordering of the prime numbers.
%C This sequence is obtained by permuting the indices of the prime numbers by the Gray code ordering of the integers.
%H MathWorld, <a href="https://mathworld.wolfram.com/GrayCode.html">Gray Code</a>
%F a(n) = A000040(1+A003188(n)).
%o (PARI) a(n) = prime(1 + bitxor(n, n>>1)); \\ _Michel Marcus_, Apr 23 2013
%Y Cf. A000040, A003188.
%K nonn,changed
%O 0,1
%A _Stephen Crowley_, May 30 2007