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Showing content from https://mathworld.wolfram.com/Octomino.html below:

Octomino -- from Wolfram MathWorld

TOPICS Algebra Applied Mathematics Calculus and Analysis Discrete Mathematics Foundations of Mathematics Geometry History and Terminology Number Theory Probability and Statistics Recreational Mathematics Topology Alphabetical Index New in MathWorld Octomino Download Wolfram Notebook

An octomino is an 8-polyomino. There are 369 free (illustrated above), 704 one-sided, and 2725 fixed octominoes.

See alsoPolyomino Explore with Wolfram|Alpha

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ReferencesKeller, M. "The Octominoes." http://members.aol.com/wgreview/octomino.html. Referenced on Wolfram|AlphaOctomino Cite this as:

Weisstein, Eric W. "Octomino." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Octomino.html

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