195508domain: NAppears in sequencesNumber of n X 3 0..1 arrays with each 1 adjacent to 1 or 2 king-move neighboring 1s.at n=7A295842T(n,k)=Number of nXk 0..1 arrays with each 1 adjacent to 1 or 2 king-move neighboring 1s.at n=47A295847