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A071098
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Number of ways to tile 4n X 4n square with n squares removed with dominoes.
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0
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OFFSET
| 1,1
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REFERENCES
| J. Propp, Enumeration of matchings: problems and progress, pp. 255-291 in L. J. Billera et al., eds, New Perspectives in Algebraic Combinatorics, Cambridge, 1999 (see Problem 10).
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LINKS
| J. Propp, Updated article
J. Propp, Enumeration of matchings: problems and progress, in L. J. Billera et al. (eds.), New Perspectives in Algebraic Combinatorics
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CROSSREFS
| Sequence in context: A192081 A013762 A078352 * A013808 A115479 A144838
Adjacent sequences: A071095 A071096 A071097 * A071099 A071100 A071101
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), May 28 2002
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