82602domain: NAppears in sequencesn*(n-1)*(n^2-n+4)/6.at n=27A103290Number of (n+1)X2 0..1 arrays with permanents of 2X2 subblocks differing from neighboring permanents.at n=24A204543Number of minimum dominating sets in the grid graph P_4 X P_n.at n=39A350822