532168domain: NAppears in sequencesNumber of n X n binary arrays without the pattern 0 0 1 vertically or horizontally.at n=4A188756Number of nX5 binary arrays without the pattern 0 0 1 vertically or horizontally.at n=4A188759T(n,k)=Number of nXk binary arrays without the pattern 0 0 1 vertically or horizontally.at n=40A188763