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%I #8 Nov 23 2012 16:39:36
%S 1,7,45,291,2033,10327,55901,377971,2580161,13329991,68092909,
%T 475337827,3047910961,21335374615,108342024605,611555770419,
%U 4227169747201,22855656310535,114836769975597,592467546841635,4147130288467697,24449879086004055,171122765320764253
%N a(0)=1, a(n+1) = (a(n)*6) XOR a(n).
%F a(0)=1, a(n+1) = (a(n)*6) XOR a(n), where XOR is the bitwise exclusive-or operator.
%t NestList[BitXor[6#,#]&,1,30] (* _Harvey P. Dale_, Nov 23 2012 *)
%o (Python)
%o a=1
%o for n in range(55):
%o . print a,
%o . a ^= a*6
%Y Cf. A001317: a(n+1) = (a(n)*2) XOR a(n).
%Y Cf. A038183: a(n+1) = (a(n)*4) XOR a(n).
%Y Cf. A100311: a(n+1) = (a(n)*8) XOR a(n).
%K nonn,base,easy
%O 0,2
%A _Alex Ratushnyak_, May 05 2012
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