

A071098


Number of ways to tile 4n X 4n square with n squares removed with dominoes.


0




OFFSET

1,1


REFERENCES

J. Propp, Enumeration of matchings: problems and progress, pp. 255291 in L. J. Billera et al., eds, New Perspectives in Algebraic Combinatorics, Cambridge, 1999 (see Problem 10).


LINKS



CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



