16611380domain: NAppears in sequencesNumber of (n+1)X2 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.at n=7A205286T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.at n=28A205293