7,2
A. J. Guttmann, Indicators of solvability for lattice models, Discrete Math., 217 (2000), 167-189 (H_7 for square lattices of Section 6).
Adjacent sequences: A055900 A055901 A055902 this_sequence A055904 A055905 A055906
Sequence in context: A002803 A056281 A000481 this_sequence A026859 A096046 A093117
nonn
Christian G. Bower (bowerc(AT)usa.net), Jun 13 2000
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