%I A006142 M4355
%S A006142 0,0,0,0,0,1,0,1,7,17,30,49,124,321,761,1721,3815
%N A006142 Number of self-avoiding walks on square lattice.
%D A006142 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A006142 W. A. Beyer and M. B. Wells, Lower bound for the connective constant 
               of a self-avoiding walk on a square lattice, J. Combin. Theory, A 
               13 (1972), 176-182.
%Y A006142 Sequence in context: A029532 A088566 A059845 this_sequence A001123 A094080 
               A046118
%Y A006142 Adjacent sequences: A006139 A006140 A006141 this_sequence A006143 A006144 
               A006145
%K A006142 nonn,walk
%O A006142 4,9
%A A006142 N. J. A. Sloane (njas(AT)research.att.com).