Square pyramidal number calculator

Non-Negative Number (n) =
 
Square Pyramidal Number (Pn) =

In mathematics, a square pyramidal number, or pyramid number represents the number of stacked spheres in a pyramid with a square base.

square pyramidal number formula

Square Pyramidal Number (Pn) = ( n × (n+1) × (2n+1) ) / 6, n is Non-Negative Number

1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, 819 are all square pyramidal numbers

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