2753448domain: NAppears in sequencesNumber of compositions (ordered partitions) of n into powers of 2.at n=27A023359Number of compositions (ordered partitions) of n into pentanacci numbers 1,2,4,8,16,31, ... (A001591).at n=27A357455Number of compositions (ordered partitions) of n into two or more powers of 2.at n=27A357534