Square Polyomino
See also
L-Polyomino, Skew Polyomino, Straight Polyomino, T-PolyominoExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Square Polyomino." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/SquarePolyomino.html