1143584domain: NAppears in sequencesa(n) = round(log(n)*2^n/n).at n=22A065614a(n) = ceiling(log(n)*2^n/n).at n=22A065615Number of 6 X n 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing.at n=13A223842