centered triangular number (original) (raw)

centered figurate number that represents a triangle with a dot in the center and all other dots surrounding the center in successive triangular layers

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English centered triangular number centered figurate number that represents a triangle with a dot in the center and all other dots surrounding the center in successive triangular layers

Statements

C3,n=32n(nāˆ’1)+1=3n2āˆ’3n+22

Identifiers

Centered Triangular Number