An Identity Involving Derangements: 10643. - David Callan; Knut Dale; Ivar Skau; John Henry Steelman; Jany C. Binz; Robin J. Chapman; F. Herzig; André Kündgen; Reiner Martin; José Heber Nieto; O. A. Saleh; S. Byrd; et al. (Am. Math. Mon., 2000)

Beyond the De Longchamps Point: 10734. - Floor van Lamoen; Jany C. Binz (Am. Math. Mon., 2000)

Another Summation Identity Involving Binomial Coefficients: 11103. - Gregory Galperin; Hillel Gauchman; Jany C. Binz (Am. Math. Mon., 2006)