1. Distinct digits in base b expansions of linear recurrence sequences;Luca;Quaest. Math.,2000
2. The number of non-zero digits of n!;Luca;Canad. Math. Bull.,2002
3. On the g-ary expansions of Apéry, Motzkin and Schröder numbers;Luca;Ann. Comb.,2010
4. F. Luca, I.E. Shparlinski, On the g-ary expansions of middle binomial coefficients and Catalan numbers, Rocky Mountain J. Math., in press.
5. F. Luca, P.T. Young, On the binary expansion of the odd Catalan numbers, in: F. Luca, P. Stănică (Eds.), Proceedings of the XIVth International Conference on Fibonacci Numbers and Their Applications, Morelia, Mexico, July 5–9, 2010, in press.