Journal of Integer Sequences, Vol. 17 (2014), Article 14.1.2 |
Xiangxing Kong
Department of Mathematics and Statistics
Central South University
Changsha 410075
China
Mehmet Acikgoz
Department of Mathematics
University of Gaziantep
27310 Gaziantep
Turkey
Erdoğan Şen
Department of Mathematics
Namik Kemal University
59030 Tekirdag
Turkey
Abstract:
Received January 23 2013; revised versions received June 5 2013; December 7 2013. Published in Journal of Integer Sequences, December 8 2013.