118449078domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.at n=4A204715Number of (n+1)X6 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.at n=4A204720