

A071102


Determinant of KK* where K is KasteleynPercus matrix for fool's diamond of order n.


0




OFFSET

1,2


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 27).


LINKS

Table of n, a(n) for n=1..8.
J. Propp, Updated article
J. Propp, Enumeration of matchings: problems and progress, in L. J. Billera et al. (eds.), New Perspectives in Algebraic Combinatorics


CROSSREFS

Sequence in context: A068391 A215743 A254224 * A272899 A060381 A256369
Adjacent sequences: A071099 A071100 A071101 * A071103 A071104 A071105


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, May 28 2002


STATUS

approved



