0,1

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

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

M. F. Sykes and M. E. Fisher, Antiferromagnetic susceptibility of the plane square and honeycomb Ising lattices, Physica, 28 (1962), 919-938.

Sequence in context: A128063 A087205 A062134 this_sequence A118437 A134185 A013489

Adjacent sequences: A002906 A002907 A002908 this_sequence A002910 A002911 A002912

sign,more

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