68599847domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..2 matrices with each 2X2 permanent equal.at n=3A225019Number of (n+1)X5 0..2 matrices with each 2X2 permanent equal.at n=3A225023T(n,k) is the number of (n+1) X (k+1) 0..2 matrices with each 2 X 2 permanent equal.at n=24A225027