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 A002928 Magnetization for square lattice. (Formerly M1853 N0733) 0
 1, 0, -2, -8, -34, -152, -714, -3472, -17318, -88048, -454378, -2373048, -12515634, -66551016, -356345666, -1919453984, -10392792766, -56527200992, -308691183938, -1691769619240, -9301374102034 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 REFERENCES Park, David; A summation method for crystal statistics. Physica 22 (1956), 932-940. 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). Yeomans, J. M, Statistical mechanics of phase transitions, Oxford Univ. Press, 1992, p. 93. LINKS C. Domb, Ising model, Phase Transitions and Critical Phenomena 3 (1974), 257, 380-381, 384-387, 390-391, 412-423. (Annotated scanned copy) FORMULA n*a(n) +6*(-n+1)*a(n-1) +4*a(n-2) +6*(n-3)*a(n-3) +(-n+4)*a(n-4)=0. - R. J. Mathar, Mar 08 2013 MAPLE series((1+x)^(1/4)*(1-6*x+x^2)^(1/8)/(1-x)^(1/2), x, 40). CROSSREFS Sequence in context: A150890 A150891 A074606 * A150892 A150893 A235038 Adjacent sequences:  A002925 A002926 A002927 * A002929 A002930 A002931 KEYWORD sign AUTHOR STATUS approved

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Last modified October 23 19:58 EDT 2019. Contains 328373 sequences. (Running on oeis4.)