A sequence of binomial coefficients related to Lucas and Fibonacci numbers. Benoumhani, Moussa — 2003 Journal of Integer Sequences [electronic only]
The number of topologies on a finite set. Benoumhani, Moussa — 2006 Journal of Integer Sequences [electronic only]
Finite topologies and partitions. Benoumhani, Moussa; Kolli, Messaoud — 2010 Journal of Integer Sequences [electronic only]