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Recent Research Papers


Zhi-Wei Sun and Ke-Jian Wu: An Extension of a Curious Binomial Identity


Herbert S. Wilf: The method of characteristics, and "problem 89" of Graham, Knuth and Patashnik


Henry Cohn: Projective Geometry and Gaussian Binomial Coefficients


Mario Catalani: Identities for Fibonacci and Lucas polynomials derived from a book of Gould


Delfim Torres and  Viorica Teca: Consecutive, Reversed, Mirror, and Symmetric Smarandache Sequences of Triangular Numbers


David Callan: A combinatorial proof of Sun's "curious" identity (Paper A5)


Three papers by Gottfried Helms:  bernoulli_en.pdf  Pmatrix.pdf  PascalDreieckMatrixLog.pdf


William Everett:  Number of binomial coefficients divided by a fixed power of a prime