%I A039648
%S A039648 1,3,9,33,123,489,1947,7977,32817,137253,576993,2452071,10468245,
%T A039648 45032733,194475321,844608567,3680153043,16105438515,70677344403
%N A039648 Number of n-step self-avoiding paths on octant grid, starting at octant 
               origin.
%Y A039648 Sequence in context: A148997 A082841 A151038 this_sequence A049182 A049168 
               A049171
%Y A039648 Adjacent sequences: A039645 A039646 A039647 this_sequence A039649 A039650 
               A039651
%K A039648 nonn,walk
%O A039648 0,2
%A A039648 David W. Wilson (davidwwilson(AT)comcast.net)