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\begin{figure}\begin{center}\BoxedEPSF{Domino.epsf scaled 1000}\end{center}\end{figure}

The unique 2-Polyomino consisting of two equal squares connected along a complete Edge.

The Fibonacci Number $F_{n+1}$ gives the number of ways for $2\times 1$ dominoes to cover a $2\times n$ Checkerboard, as illustrated in the following diagrams (Dickau).




See also Fibonacci Number, Gomory's Theorem, Hexomino, Pentomino, Polyomino, Tetromino, Triomino


Dickau, R. M. ``Fibonacci Numbers.''

Gardner, M. ``Polyominoes.'' Ch. 13 in The Scientific American Book of Mathematical Puzzles & Diversions. New York: Simon and Schuster, pp. 124-140, 1959.

Kraitchik, M. ``Dominoes.'' §12.1.22 in Mathematical Recreations. New York: W. W. Norton, pp. 298-302, 1942.

Lei, A. ``Domino.''

Madachy, J. S. ``Domino Recreations.'' Madachy's Mathematical Recreations. New York: Dover, pp. 209-219, 1979.

© 1996-9 Eric W. Weisstein