Apyramid with a heptagonal base. The heptagonal pyramidis one of the 257 convexoctahedra.

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More things to try:

• heptagonal pyramid
• 129th Boolean function of x,y,z
• fibonacci(n) recurrence

Cite this as:

Weisstein, Eric W. "Heptagonal Pyramid."FromMathWorld--A Wolfram Resource.https://mathworld.wolfram.com/HeptagonalPyramid.html

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