|Journal of Integer Sequences, Vol. 8 (2005), Article 05.1.7|
Abstract: We give upper and lower bounds for the largest integer not representable as a positive linear combination of three given integers, disproving an upper bound conjectured by Beck, Einstein and Zacks.
Received January 26 2005; revised version received February 7 2005. Published in Journal of Integer Sequences March 1 2005.