OFFSET
0,2
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
I. G. Enting and A. J. Guttmann, The square lattice Ising model with a free surface, J. Phys. A: Math. Gen. 13 (1980), 1043-1050.
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,more
AUTHOR
EXTENSIONS
a(14) corrected, a(15)-a(17) from Enting & Guttmann added by Andrey Zabolotskiy, Feb 16 2022
STATUS
approved