Issue link: http://jmobile.maa.org/i/697818

An Official Publication of the Mathematical Association of America MATHEMATICS MAGAZINE Vol. 89, No. 3, June 2016 • Sequences of multi-polygonal numbers • Changing seats on the bus: permutations, bijections, and cycles • Coefficients of cyclotomic polynomials • The Box Problem revisited: three-factor polynomials and a Diophantine equation

- Cover
- TOC
- Multi-Polygonal Numbers
- Proof Without Words: Every Cobalancer Is a Balancing Number
- Buses, Bullies, and Bijections
- Proof Without Words: Limit of a Recursive Root Mean Square
- The Coefficients of Cyclotomic Polynomials
- Proof Without Words: Limit of a Recursive Arithmetic Mean
- A Curious Result for GCDs and LCMs
- Proof Without Words: Sums of Powers of 4/9
- The Binomial Recurrence
- Proof Without Words: Sums of Consecutive Odds and Positive Integer Cubes
- An Algebraic Method to Find the Symmedian Point of a Triangle
- Building the Biggest Box: Three-Factor Polynomials and a Diophantine Equation
- Proof Without Words: Sums of Reciprocals of Binomial Coefficients
- A Geometric Proof of a Morrie-Type Formula
- Proof Without Words: Viviani for Congruent Cevians
- Crossword Puzzle: MathFest 2016
- Robert Fathauer: Polymath Purveyor
- Proposals, 1996-2000
- Quickies, 1061-1062
- Solutions, 1966-1970
- Answers, 1061-1062
- Math circles; ageism in mathematics, mathematics in movies