Polygonal Number Calculator

P(s,n) = n((s−2)n−(s−4))/2

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About Polygonal Number Calculator

A polygonal number calculator computing P(s,n) = n((s−2)n−(s−4))/2 for any number of sides s≥3. Generates sequences, tests membership, and finds which polygonal sequences contain a given number. All client-side.

Polygonal Number Calculator Features

  • Compute P(s,n)
  • Test membership
  • Sequence
  • Multi-polygon
  • Formula
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