Problem 10809. - David Beckwith (Am. Math. Mon., 2000)

Problem 10828. - David Beckwith (Am. Math. Mon., 2000)

A Series Involving Numbers of Factorizations: 10669. - David Beckwith; Tiberiu V. Trif; Dan C. Popescu (Am. Math. Mon., 2000)

Periodic Points and Forests: 10666. - David Callan; David Beckwith (Am. Math. Mon., 2000)

Another Type of Lattice Path: 10658. - Emeric Deutsch; David Callan; M. Beck; David Beckwith; W. Bohm; Richard F. McCoart (Am. Math. Mon., 2000)

Interrupted Partitions: 10629. - Frank Schmidt; Peter Mork; David Beckwith; David Callan; D. J. Chapman; G. Lord; Cecil C. Rousseau; Plamen Simeonov; John Henry Steelman (Am. Math. Mon., 2000)

Problem 10851. - David Beckwith (Am. Math. Mon., 2001)

Problem 10865. - David Beckwith (Am. Math. Mon., 2001)

An Identity for Partitions of Integers: 10809. - David Beckwith; Karl David (Am. Math. Mon., 2002)

A Property of the Binary Sum of a Family of Sets: 10865. - David Beckwith; Li Zhou 001; David Callan (Am. Math. Mon., 2002)

Additive Atoms: 10828. - David Beckwith; et al. (Am. Math. Mon., 2002)

Problem 11158. - David Beckwith (Am. Math. Mon., 2005)

Problem 11179. - David Beckwith (Am. Math. Mon., 2005)

Problem 11183. - David Beckwith (Am. Math. Mon., 2005)

Problem 11212. - David Beckwith (Am. Math. Mon., 2006)

Problem 11220. - David Beckwith (Am. Math. Mon., 2006)

Problem 11249. - David Beckwith (Am. Math. Mon., 2006)

Problem 11253. - David Beckwith (Am. Math. Mon., 2006)

An Accidental Repetition of the All-Ones Problem: 10851. - David Beckwith (Am. Math. Mon., 2007)

Problem 11319. - David Beckwith (Am. Math. Mon., 2007)

Prime Powers Dividing a Factorial: 11158. - David Beckwith; Harris Kwong (Am. Math. Mon., 2007)

Building Two Piles of Equal Height: 11183. - David Beckwith; Vadim Ponomarenko; Rob Pratt (Am. Math. Mon., 2007)

A Determinant by Möbius Inversion: 11179. - David Beckwith; Li Zhou 001 (Am. Math. Mon., 2007)

Double Integral with Log and Sinh: 11275. - Michael S. Becker; David Beckwith; Hongwei Chen (Am. Math. Mon., 2008)

Problem 11343. - David Beckwith (Am. Math. Mon., 2008)

"The Ballot Problem in Disguise", in Disguise: 11249. - David Beckwith; Michael Avidon; Li Zhou 001 (Am. Math. Mon., 2008)

A Permanent Lower Bound: 11253. - David Beckwith; Michel Bataille (Am. Math. Mon., 2008)

A Vanishing Alternating Sum: 11212/11220. - David Beckwith; Harris Kwong; Rob Pratt; Nicholas Singer (Am. Math. Mon., 2008)

A Weighted Sample of the Riemann Zeta Function: 11331 [2007, 926]. - Richard Bagby; David Beckwith; Sag Harbor; Douglas B. Tyler (Am. Math. Mon., 2009)

Problem 11464. - David Beckwith (Am. Math. Mon., 2009)

Sum of Digits: 11319 [2008, 835]. - David Beckwith; et al. (Am. Math. Mon., 2009)

The Number of Balanced Senates from n States: 11343 [2008, 166]. - David Beckwith; et al. (Am. Math. Mon., 2009)