356942157domain: NAppears in sequencesNumber of (n+1)X4 0..2 matrices with each 2X2 permanent equal.at n=5A225022Number of (n+1)X7 0..2 matrices with each 2X2 permanent equal.at n=2A225025T(n,k) is the number of (n+1) X (k+1) 0..2 matrices with each 2 X 2 permanent equal.at n=30A225027