Problem 11050. - Kent Holing (Am. Math. Mon., 2003)

Problem 11154. - Kent Holing (Am. Math. Mon., 2005)

Problem 11168. - Kent Holing (Am. Math. Mon., 2005)

A Special Set of Integer Points in Space: 11050. - Kent Holing; Richard Stong (Am. Math. Mon., 2005)

Unsolved No Longer: 11154. - Kent Holing (Am. Math. Mon., 2007)

Indivisibility of the Sum of Squares: 11154. - Kent Holing; Michael Avidon (Am. Math. Mon., 2007)

Properties of Pythagorean Triples: 11168. - Kent Holing; et al. (Am. Math. Mon., 2007)

Problem 11420. - Kent Holing (Am. Math. Mon., 2009)