5509720956domain: NAppears in sequencesNumber of (n+1)X5 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.at n=4A205289Number of (n+1)X6 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.at n=3A205290