738031domain: NAppears in sequencesNumber of n X n binary arrays without the pattern 0 1 0 vertically or horizontally.at n=4A188767Number of nX5 binary arrays without the pattern 0 1 0 vertically or horizontally.at n=4A188770T(n,k)=Number of nXk binary arrays without the pattern 0 1 0 vertically or horizontally.at n=40A188774