Chromatic Polynomial Calculator

P(G,k) = proper k-colorings

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About Chromatic Polynomial Calculator

A chromatic polynomial calculator computing P(G,k): the number of ways to properly color G with k colors. For K_n: P=k(k-1)...(k-n+1). For trees: P=k(k-1)^{n-1}. Uses deletion-contraction. P(G,χ)>0 gives chromatic number. Client-side.

Chromatic Polynomial Calculator Features

  • P(G,k) formula
  • Evaluate at k
  • Common graphs
  • Deletion-contraction
  • Roots

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