OFFSET
0,2
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
S. G. Whittington, G. M. Torrie and A. J. Guttmann, The Ising model with a free surface: a series analysis study, J. Phys. A 12 (1979), 2449-2455.
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved