On the Sum of Corresponding Factorials and Triangular Numbers: Runsums, Trapezoids and Politeness

Romer C. Castillo (M.Sc.)
Batangas State University, Batangas City, Philippines
romercastillo@rocketmail.com
Date Received: August 3, 2015; Date Revised: September 18, 2015

factoriangular number polite number runsum trapezoidal arrangement Trapezoidal number


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