|Journal of Integer Sequences, Vol. 8 (2005), Article 05.4.7|
Department of Electrical Engineering Systems
Tel Aviv University
69978 Ramat Aviv
Department of Mathematics
Ben Gurion University of the Negev
(Concerned with sequence A074059 .)
Received July 15 2005; revised version received October 12 2005. Published in Journal of Integer Sequences, October 12 2005.