0,1

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

J. L. Martin, The exact enumeration of self-avoiding walks on a lattice, Proc. Camb. Phil. Soc., 58 (1962), 92-101.

Sequence in context: A084844 A144011 A088189 this_sequence A047853 A151387 A141149

Adjacent sequences: A001392 A001393 A001394 this_sequence A001396 A001397 A001398

nonn,walk

N. J. A. Sloane (njas(AT)research.att.com).