Problem 11054. - Shahin Amrahov (Am. Math. Mon., 2004)

Problem 11125. - Shahin Amrahov (Am. Math. Mon., 2005)

Problem 11182. - Shahin Amrahov (Am. Math. Mon., 2005)

Now, What Year Is It? 11125. - Shahin Amrahov; Andrew D. Loveless (Am. Math. Mon., 2006)

Perfect Powers in an Arithmetic Progression: 11182. - Shahin Amrahov; Nicholas Singer (Am. Math. Mon., 2007)