Romer C. Castillo (M.Sc.)
Batangas State University, Batangas City, Philippines
romercastillo@rocketmail.com
Date Received: September 2, 2015; Date Revised: October 5, 2015
Asia Pacific Journal of Multidisciplinary Research
Vol. 3 No. 4, 28-36
November 2015 Part III
P-ISSN 2350-7756
E-ISSN 2350-8442
Sums of Two Triangulars and of Two Squares Associated with Sum of Corresponding Factorial and Triangular Number 718 KB 1 downloads
Romer C. Castillo (M.Sc.) Batangas State University, Batangas City, Philippines romercastillo@rocketmail.com Date...
Factoriangular numbers resulted from adding corresponding factorials and triangular numbers. If Ftn is the nth factoriangular number, n! is the factorial of n and Tn is the nth triangular number, then Ftn = n! + Tn. In this study, interesting results on the representations of factoriangular number as sum of two triangular numbers and as sum of two squares are presented.
Keywords – factoriangular number, factorial, sum of two triangular numbers, sum of two squares, theory of numbers