207765391957domain: NAppears in sequencesNumber of (n+1)X(n+1) 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.at n=4A205285Number of (n+1)X6 0..2 arrays with permanents of 2X2 subblocks differing from horizontal and vertical neighbor permanents.at n=4A205290