1417535domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..3 matrices with each 2X2 permanent equal.at n=2A224967Number of (n+1)X4 0..3 matrices with each 2X2 permanent equal.at n=2A224970T(n,k) is the number of (n+1) X (k+1) 0..3 matrices with each 2 X 2 permanent equal.at n=12A224975