%I #11 Sep 25 2024 20:51:51
%S 0,3,5,6,10,12,20,21,24,40,41,42,48,79,80,82,84,85,96,158,160,163,164,
%T 168,169,170,192,195,316,320,323,325,326,328,329,335,336,338,340,341,
%U 384,387,389,390,632,633,640,643,645,646,650,652,656,658,670,672,675
%N Integers i such that 8*i XOR 13*i = 21*i.
%C XOR is A003987.
%H <a href="/index/Con#CongruXOR">Index entries for sequences defined by congruent products under XOR</a>
%t Select[Range[0,700],BitXor[8#,13#]==21#&] (* _Harvey P. Dale_, May 02 2012 *)
%o (PARI) is(n)=bitxor(8*n, 13*n)==21*n \\ _Charles R Greathouse IV_, Sep 25 2024
%Y Seems to be a superset of A115805. A115825 gives the terms not present in A115805. A115824 shows this sequence in binary.
%K nonn
%O 0,2
%A _Antti Karttunen_, Feb 01 2006
%E Definition corrected by Harvey P. Dale, May 02 2012