Generalized Legendre-Stirling Numbers
K. C. Garrett, Kendra Killpatrick

Open J. Discrete Math. Vol.4 No.4, October 17, 2014
DOI:10.4236/ojdm.2014.44014

Balance in Random Trees
Azer Akhmedov, Warren Shreve

Open J. Discrete Math. Vol.4 No.4, October 06, 2014
DOI:10.4236/ojdm.2014.44013

On a 3-Way Combinatorial Identity
Garima Sood, Ashok Kumar Agarwal

Open J. Discrete Math. Vol.4 No.4, September 30, 2014
DOI:10.4236/ojdm.2014.44012