Heptiamond

One of the 24 7-polyiamonds.

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2x^2 - 3xy + 4y^2 + 6x - 3y - 4 = 0
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References

Gardner, M. The Sixth Book of Mathematical Games from Scientific American. Chicago, IL: University of Chicago Press, pp. 246, 248, and 250-251, 1984.

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Heptiamond

Cite this as:

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

Heptiamond

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References

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