27008204541domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=4A204755Number of (n+1)X6 0..5 arrays with the permanents of all 2X2 subblocks equal and nonzero.at n=4A204760