

Author: Kobayashi Yukio
Publisher: Mathematical Association of America
ISSN: 1931-1346
Source: The College Mathematics Journal, Vol.44, Iss.3, 2013-05, pp. : 189-189
Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.
Abstract
A visual proof that the triangular numbers are sums of every other odd number.
Related content


Proof Without Words: Sums of Triangular Numbers
Mathematics Magazine, Vol. 88, Iss. 3, 2015-01 ,pp. :




Proof Without Words: Sums of Cubes
Mathematics Magazine, Vol. 85, Iss. 5, 2012-12 ,pp. :




Proof Without Words: Sums of Octagonal Numbers
By Unal Hasan
Mathematics Magazine, Vol. 83, Iss. 1, 2010-02 ,pp. :